Product Search

    SEARCH NOW FOR ALL YOUR EFECTOR SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    Sensors & Switches / Photoelectric

    Radwell is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.

    Filter Results
    Results 1-50 of 524.
    EFECTOR OUN-HPKG-OU5025

    EFECTOR

    IFM

    OUN-HPKG-OU5025

    PHOTOELECTRIC 10-55VDC PNP 250MA 40MM
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$735.02
    CAN$735.02
    Repair Yours CAN$509.15
    EFECTOR ODC-MPKG/US-100-OD5005

    EFECTOR

    IFM

    ODC-MPKG/US-100-OD5005

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC COLOR SENSOR, RECTANGULAR, METAL W/MS, 10-30VDC, 100MA
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$981.20
    CAN$981.20
    Repair Yours CAN$875.17
    EFECTOR O2VWRPKG/O/V/GM/E1/E2/W-O2V102

    EFECTOR

    IFM

    O2VWRPKG/O/V/GM/E1/E2/W-O2V102

    O2V102, OBJECT INSPECTION SENSOR, 300MA, 24VDC, WHITE LIGHT, 640X480 RESOLUTION, 20HZ READING RATE, 2DIGITAL INPUTS, 5DIGITAL OUTPUTS, ETHERNET COMMUNICATION INTERFACE , O2VWRPKG/O/V/GM/E1/E ...
    ✓ IN STOCK!
    CAN$3,179.40 Buy Surplus As Low As CAN$958.41
    CAN$958.41
    Repair Yours CAN$692.30
    EFECTOR O2VWRPKG/O/V/GM/E1/E2/S-O2V100

    EFECTOR

    IFM

    O2VWRPKG/O/V/GM/E1/E2/S-O2V100

    DISCONTINUED BY MANUFACTURER, , OBJECT INSPECTION SENSOR, FOR CHECKING PRESENCE, SIZE, POSITION OR COMPLETENESS, 640-480 PIXEL RESOLUTION, 24 VDC, 20 HZ, 300 MA, 2 DIGITAL INPUTS, 5 DIGITAL ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$2,160.20
    CAN$2,160.20
    Repair Yours CAN$634.75
    EFECTOR O2VIRPKG/O/V/GM/E1/E2/S-O2V120

    EFECTOR

    IFM

    O2VIRPKG/O/V/GM/E1/E2/S-O2V120

    DISCONTINUED BY MANUFACTURER, , OBJECT INSPECTION SENSOR, IMAGE RESOLUTION 640 X 480, 850 NM WAVE LENGTH, 24 VDC, INFRARED LIGHT, USER-FRIENDLY HANDLING HIGH-PERFORMANCE ETHERNET INTE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$700.72
    CAN$700.72
    Repair Yours CAN$530.84
    EFECTOR PMD 3D SENSOR-O3D200

    EFECTOR

    IFM

    PMD 3D SENSOR-O3D200

    DISCONTINUED BY MANUFACTURER, , 3D SENSOR, 2.5AMP, 24 VDC, 16 W, 2 DIGITAL INPUTS/OUTPUTS, PULSED, M12 PROCESS CONNECTION, A CODED, M12 ETHERNET CONNECTOR, D CODED, -40 TO +85 DEGREE C, IP67 ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$2,405.92
    CAN$2,405.92
    Repair Yours CAN$1,690.38
    EFECTOR O1DLF3KG-O1D209

    EFECTOR

    IFM

    O1DLF3KG-O1D209

    PHOTOELECTRIC DISTANCE SENSOR, RELIABLE OPTICAL DISTANCE MEASUREMENT WITH BACKGROUND SUPPRESSION RANGE UP TO 100 M FOR USE ON CRANES TWO SWITCHING OUTPUTS, ONE OF THEM PROGRAMMABLE AS ANALOG ...
    ✓ IN STOCK!
    CAN$1,112.50 Buy Surplus As Low As CAN$888.44
    CAN$888.44
    Repair Yours CAN$361.71
    EFECTOR O2D100

    EFECTOR

    O2D100

    DATA MATRIX CODE READER, 24 V, 2DROS-G/D/RS232
    ✓ IN STOCK!
    CAN$2,645.43 Buy Surplus As Low As CAN$1,297.34
    CAN$1,297.34
    EFECTOR O2DIRPKG/K-O2D222

    EFECTOR

    IFM

    O2DIRPKG/K-O2D222

    OBJECT RECOGNITION SENSOR, 24 VDC, 300 MA, 20 HZ, 850 NM WAVELENGTH, INFRARED LIGHT, 24 V PNP, 5 DIGITAL OUTPUTS, 1X M12 PROCESS CONNECTION A CODED, 1X M12 ETHERNET CONNECTION, D CODED, -40 ...
    ✓ IN STOCK!
    CAN$3,179.40 Buy Surplus As Low As CAN$1,255.38
    CAN$1,255.38
    EFECTOR OSN-FBOA-OS0032

    EFECTOR

    IFM

    OSN-FBOA-OS0032

    DISCONTINUED BY MANUFACTURER, DIFFUSE REFLECTION SENSOR, 20-250VAC/DC, INFRARED, 220MM RANGE, 25HZ SWITCHING FREQUENCY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$997.12
    CAN$997.12
    Repair Yours CAN$544.67
    EFECTOR O3DIRDKG/E1/GM/T/40-O3D301

    EFECTOR

    IFM

    O3DIRDKG/E1/GM/T/40-O3D301

    3D CAMERA, ETHERNET, 30 M MEASURING RANGE, 300-10000 MM OPERATING DISTANCE, SHORT CIRCUIT PROTECTION, 352 X 264 PX IMAGE RESOLUTION, RECTANGULAR HOUSING, ILLUMINATION/MEASUREMENT/EVALUATION, ...
    ✓ IN STOCK!
    CAN$3,479.96 Buy Surplus As Low As CAN$1,658.03
    CAN$1,658.03
    Repair Yours CAN$1,164.82
    EFECTOR O2VIRPKG/O/V/GM/E1/E2/W-O2V122

    EFECTOR

    IFM

    O2VIRPKG/O/V/GM/E1/E2/W-O2V122

    OBJECT INSPECTION SENSOR,24 VDC, 300 MA, 850 NM WAVELENGTH, PNP, 640 X 480 IMAGE RESOLUTION, 2 DIGITAL INPUTS, 5 DIGITAL OUTPUTS, ETHERNET INTERFACE, INFRARED LIGHT, M12 CONNECTION, A CODED, ...
    ✓ IN STOCK!
    CAN$3,655.17 Buy Surplus As Low As CAN$1,818.51
    CAN$1,818.51
    EFECTOR O2IIOS-G/D/RS232/E1/E2-O2I101

    EFECTOR

    IFM

    O2IIOS-G/D/RS232/E1/E2-O2I101

    DISCONTINUED BY MANUFACTURER, , 1D/2D CODE READERS, ORIENTATION-INDEPENDENT READING OF 1D AND 2D CODES RECOGNITION OF MORE THAN 20 DIFFERENT CODE TYPES INTEGRATED CODE COMPARATOR SYSTEM IN T ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,625.51
    CAN$1,625.51
    Repair Yours CAN$718.35
    EFECTOR PMD 3D CAMERA-O3D201

    EFECTOR

    IFM

    PMD 3D CAMERA-O3D201

    DISCONTINUED BY MANUFACTURER, , 3D CAMERA, 24V, DIECAST ALUMINUM
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,599.23
    CAN$1,599.23
    Repair Yours CAN$1,106.28
    EFECTOR O2DIRPKG/K-O2D220

    EFECTOR

    IFM

    O2DIRPKG/K-O2D220

    OBJECT RECOGNITION SENSOR, INFRARED LIGHT, 24 VDC, 850 NM WAVELENGTH, 2 DIGITAL INPUTS, 5 DIGITAL OUTPUTS, IP67
    ✓ IN STOCK!
    CAN$2,771.85 Buy Surplus As Low As CAN$1,285.94
    CAN$1,285.94
    Repair Yours CAN$1,128.30
    EFECTOR KGE3008-APKG

    EFECTOR

    IFM

    KGE3008-APKG

    DISCONTINUED BY MANUFACTURER, (KG5003), CAPACITIVE SENSOR, 10-36VDC, PNP, NORMALLY CLOSED, 8MM SENSING RANGE, THREADED, NON-FLUSH MOUNTABLE, 1 YELLOW LED, 2 LOCK NUTS, 1 SCREWDRIVER
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$15.75
    CAN$15.75
    Repair Yours CAN$358.85
    EFECTOR OGELFNKG/B1/V4A/US-100-OG5064

    EFECTOR

    IFM

    OGELFNKG/B1/V4A/US-100-OG5064

    PHOTOELECTRIC SENSOR, 10-30VDC,
    ✓ IN STOCK!
    CAN$215.52 Buy Surplus As Low As CAN$152.66
    CAN$152.66
    Repair Yours CAN$358.09
    EFECTOR O5PFPKGUS

    EFECTOR

    IFM

    O5PFPKGUS

    PHOTOELECTRIC SENSOR, 10-36VDC, 200MA
    ✓ IN STOCK!
    CAN$143.59 Buy Surplus As Low As CAN$50.73
    CAN$50.73
    Repair Yours CAN$358.09
    EFECTOR OAS-000A-OA0126

    EFECTOR

    IFM

    OAS-000A-OA0126

    IFM, EFECTOR, OAS-000A-OA0126, OAS000AOA0126, PHOTOELECTRIC SENSOR, THROUGH-BEAM SENSOR, OA, 20-250VAC/DC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$57.65
    CAN$57.65
    Repair Yours CAN$358.85
    EFECTOR FE-00-P-A-M4/2M

    EFECTOR

    IFM

    FE-00-P-A-M4/2M

    DISCONTINUED BY MANUFACTURER , PHOTOELECTRIC THROUGH BEAM, M4, RANGE 96MM, STRAIGHT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$86.07
    CAN$86.07
    Repair Yours CAN$358.09
    EFECTOR OGH-FPKG/US-100-OG5053

    EFECTOR

    IFM

    OGH-FPKG/US-100-OG5053

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC, RANGE 30-130MM, 10-30VDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$278.87
    CAN$278.87
    EFECTOR OG5054

    EFECTOR

    IFM

    OG5054

    PHOTOELECTRIC DIFFUSE REFLEC 30-130MM RANGE NPNDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$20.84
    CAN$20.84
    Repair Yours CAN$361.71
    EFECTOR OJH-FPKG/FO/0,15M/US-OJ5069

    EFECTOR

    IFM

    OJH-FPKG/FO/0,15M/US-OJ5069

    DIFFUSE SENSOR, REFLECTION, BACKGROUND SUPPRESSION, COMPACT HOUSING, FOR USE IN ROBOTICS, SIMPLE ALIGNMENT, VISIBLE RED LIGHT
    ✓ IN STOCK!
    CAN$310.53 Buy Surplus As Low As CAN$162.18
    CAN$162.18
    EFECTOR OJH-FNKG/SO/AS-OJ5049

    EFECTOR

    IFM

    OJH-FNKG/SO/AS-OJ5049

    OJ5049, DIFFUSE REFLECTION SENSOR; RED LIGHT; LIGHT-ON/DARK-ON MODE; (PROGRAMMABLE); NPN; 400 MM; IP 67; M8 CONNECTOR, EFECTOR 200 PHOTOELECTRIC SENSORS, LIGHT CURTAINS AND FIBERS AND ACCESS ...
    ✓ IN STOCK!
    CAN$206.65 Buy Surplus As Low As CAN$136.39
    CAN$136.39
    Repair Yours CAN$360.00
    EFECTOR OHH-HPKG/0,20M/AS-OH5017

    EFECTOR

    IFM

    OHH-HPKG/0,20M/AS-OH5017

    DIFFUSE REFLECTION SENSOR, BACKGROUND SUPPRESSION, 10 - 30 VDC, 20 MA, PNP, PULSED, M8 CONNECTOR, 0.2 M CABLE LENGTH, -20 TO =50 DEGREE C, IP67, OH5017
    ✓ IN STOCK!
    CAN$303.74 Buy Surplus As Low As CAN$97.11
    CAN$97.11
    EFECTOR OJ5066

    EFECTOR

    IFM

    OJ5066

    OJE-FPKG/FO/0.15M/PUR/US
    ✓ IN STOCK!
    CAN$162.89 Buy Surplus As Low As CAN$74.66
    CAN$74.66
    Repair Yours CAN$358.09
    EFECTOR KB-3020-BPKG/NI/6M-KB5014

    EFECTOR

    IFM

    KB-3020-BPKG/NI/6M-KB5014

    DISCONTINUED BY MANUFACTURER, CAPACITIVE SENSOR, 10-36 VDC, 4-20 MM, 6M LENGTH, PNP, NORMALLY OPEN
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$280.90
    CAN$280.90
    EFECTOR IMC4020BCPKG/K1/US-100-DPA-IM5067

    EFECTOR

    IFM

    IMC4020BCPKG/K1/US-100-DPA-IM5067

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, 10-36VDC, 20MM RANGE, PNP, 40 X 40 X 66MM, SHORT-CIRCUIT PROTECTION, FLUSH MOUNTABLE, IP 67, ALTERNATIVE: IMC4020BCPKG/K1/US-100-DPA-IM5132
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$70.80
    CAN$70.80
    EFECTOR OGP-DPKG/US/90-OG5126

    EFECTOR

    IFM

    OGP-DPKG/US/90-OG5126

    PARTICULARLY SPACE\-SAVING DESIGN WITH LIGHT EMISSION ON THE SIDE * FOR USE WHERE SPACE IS RESTRICTED * READY FOR OPERATION IMMEDIATELY THANKS TO FIXED SETTING * VISIBLE RED LIGHT FOR SIMPLE ...
    ✓ IN STOCK!
    CAN$287.74 Buy Surplus As Low As CAN$178.40
    CAN$178.40
    Repair Yours CAN$360.00
    EFECTOR OGS-OOKG/V4A/US-100-OG5116

    EFECTOR

    IFM

    OGS-OOKG/V4A/US-100-OG5116

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC, THRU-BEAM, THREADED M18X1, ALTERNATIVE ARTICLES: OGS300, WHEN SELECTING AN ALTERNATIVE ARTICLE AND ACCESSORIES PLEASE NOTE THAT TECHNICAL DATA MA ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$75.05
    CAN$75.05
    EFECTOR OLT-FKOA/SL/LS-500

    EFECTOR

    IFM

    OLT-FKOA/SL/LS-500

    DISCONTINUED BY MANUFACTURER, DIFUSE REFLECTION SENSOR, 47-63 HZ, 20-250 VAC/DC, 1-1000 MM RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$167.23
    CAN$167.23
    EFECTOR OGE-FPKG-OG5041

    EFECTOR

    IFM

    OGE-FPKG-OG5041

    SENSOR THROUGH BEAM THREADED TYPE M18 X 1
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$299.14
    CAN$299.14
    Repair Yours CAN$355.22
    EFECTOR OGP-FPKG/B1

    EFECTOR

    IFM

    OGP-FPKG/B1

    PHOTOELECTRIC RETRO REFLECTIVE M18X1 W/CABLE 3M
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$200.85
    CAN$200.85
    Repair Yours CAN$355.22
    EFECTOR OGR-DPKG-OG5012

    EFECTOR

    IFM

    OGR-DPKG-OG5012

    DISCONTINUED BY MANUFACTURER,PHOTOELECTRIC RETFRO-REFLECTIVE 55VDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$165.86
    CAN$165.86
    Repair Yours CAN$358.09
    EFECTOR OGPLFPKG/B6/V4A/US-100-OG5061

    EFECTOR

    IFM

    OGPLFPKG/B6/V4A/US-100-OG5061

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC, 10-30VDC, RANGE 0.2-13M, 4PIN
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$250.25
    CAN$250.25
    EFECTOR OJB-FPKG/FO/0,15M/US-OJ5061

    EFECTOR

    IFM

    OJB-FPKG/FO/0,15M/US-OJ5061

    OJ5061, DIFFUSE REFLECTION SENSOR, PARTICULARLY COMPACT HOUSING FOR USE WHERE SPACE IS RESTRICTED VERY LONG RANGE SIMPLE ALIGNMENT DUE TO VISIBLE RED LIGHT INTUITIVE SETTING OF SENSITIVITY A ...
    ✓ IN STOCK!
    CAN$319.08 Buy Surplus As Low As CAN$243.58
    CAN$243.58
    Repair Yours CAN$361.71
    EFECTOR OBF-FPKG/T/US-OB5026

    EFECTOR

    IFM

    OBF-FPKG/T/US-OB5026

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, FIBEROPTIC AMPLIFIER, RECTANGULAR, RED LIGHT, 10-36 VDC, 660NM WAVE LENGTH, PNP, LIGHT-ON/DAR-ON MODE; CONFIGURABLE, IP65, QUICK DISCONNEC ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$50.06
    CAN$50.06
    Repair Yours CAN$358.09
    EFECTOR OAS-OOOA/VRG-OA0125

    EFECTOR

    IFM

    OAS-OOOA/VRG-OA0125

    PHOTOELECTRIC TRANSMITTER THRUBEAM 25 METER RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$156.46
    CAN$156.46
    Repair Yours CAN$358.09
    EFECTOR OAH-FKOA/T-OA0201

    EFECTOR

    IFM

    OAH-FKOA/T-OA0201

    PHOTOELECTRIC DIFFUSE REFLECT. AC/DC LO 200-800MM
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$309.39
    CAN$309.39
    Repair Yours CAN$358.09
    EFECTOR OPU-FPKG/AS-OPU203

    EFECTOR

    IFM

    OPU-FPKG/AS-OPU203

    OPTICAL SENSOR, FORK LIGHT BARRIER, QUICK SET-UP, RED LIGHT, IO-LINK, 10-30 VDC, PNP, 660 NM WAVELENGTH, 200 MA CURRENT RATING, 4000 HZ SWITCHING FREQUENCY, YELLOW LED INDICATION, LIGHT ON/D ...
    ✓ IN STOCK!
    CAN$482.89 Buy Surplus As Low As CAN$319.08
    CAN$319.08
    EFECTOR OGT-FPKG-OG5049

    EFECTOR

    IFM

    OGT-FPKG-OG5049

    DISCONTINUED BY MANUFACTURER, DIFFUSE REFLECTION SENSOR, 10-36 VDC, 200 M A, 880 NM WAVE LENGTH, PNP, LIGHT-ON/DARK-ON MODE, PULSED, M18 THREAD, 2 M CABLE LENGTH, INFRARED LIGHT, -25 TO +80 ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$210.82
    CAN$210.82
    Repair Yours CAN$355.22
    EFECTOR OG5056

    EFECTOR

    IFM

    OG5056

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC PNP 10-36VDC DIFFUSE REFLECTION
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$42.39
    CAN$42.39
    Repair Yours CAN$358.09
    EFECTOR OLS-OOKG/US-100-OL5012.

    EFECTOR

    IFM

    OLS-OOKG/US-100-OL5012.

    PHOTOELECTRIC 10-36VDC W/M12 CONNECTOR 25M RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$264.24
    CAN$264.24
    Repair Yours CAN$358.09
    EFECTOR IGA2005-FRKG/V4A/US-100-IRF/RT

    EFECTOR

    IFM

    IGA2005-FRKG/V4A/US-100-IRF/RT

    PHOTOELECTRIC 4PIN 10-55VDC 5MM RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$223.68
    CAN$223.68
    Repair Yours CAN$358.09
    EFECTOR FE-50-V-V-R5-E20827

    EFECTOR

    IFM

    FE-50-V-V-R5-E20827

    E20827, FIBRE OPTIC THROUGH BEAM SENSOR, FOR APPLICATIONS IN HIGH-TEMPERATURE AREAS STAINLESS STEEL SHEATHING FOR USE UP TO 315 °C ANGLED TYPE FOR USE WHERE SPACE IS RESTRICTED LONG R ...
    ✓ IN STOCK!
    CAN$330.48 Buy Surplus As Low As CAN$87.75
    CAN$87.75
    Repair Yours CAN$360.00
    EFECTOR OLP-HPKG/US-100

    EFECTOR

    IFM

    OLP-HPKG/US-100

    PHOTOELECTRIC SENSOR 8M RANGE 200/10MA 10-36VDC
    ✓ IN STOCK!
    CAN$525.63 Buy Surplus As Low As CAN$263.53
    CAN$263.53
    Repair Yours CAN$360.00
    EFECTOR OGS-OOKG/V4A/US-100-OG5095

    EFECTOR

    IFM

    OGS-OOKG/V4A/US-100-OG5095

    PHOTOELECTRIC THROUGH-BEAM, THREADED TYPE M18 X 1
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$154.98
    CAN$154.98
    Repair Yours CAN$360.00
    EFECTOR OLS-OOOA/SL/LS-500-OL0012

    EFECTOR

    IFM

    OLS-OOOA/SL/LS-500-OL0012

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC THRU BEAM 7/8INCH QD 25M RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$145.96
    CAN$145.96
    Repair Yours CAN$358.09
    EFECTOR IGA2005-BBOA/V4A/RT-IG0321

    EFECTOR

    IFM

    IGA2005-BBOA/V4A/RT-IG0321

    PROXIMITY SWITCH, INDUCTIVE, 20-250VAC/DC, 45-65HZ, 5MA MINIMUM, 5MM SENSING RANGE, IP67, NORMALLY CLOSED, FLUSH MOUNTABLE, RED LED, 2 M CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$444.43
    CAN$444.43
    Repair Yours CAN$355.22
    EFECTOR OHE-DPKG/0.20M/AS-OH5003

    EFECTOR

    IFM

    OHE-DPKG/0.20M/AS-OH5003

    PHOTOELECTRIC 10-30VDC PNP 1.2M
    ✓ IN STOCK!
    CAN$212.24 Buy Surplus As Low As CAN$162.39
    CAN$162.39
    Repair Yours CAN$355.22
    Next
    1 2 3 4 5 6 7 8 9 10 11