SMC CORPORATION D-M9N Solid State Sensor, NPN Out, Direct Mount, 4.5 to 28V, Red LED, D-M9 Series

$53

PATIKIL 5mm Photodiode, 4 Pack Photo Transistors Photodiodes Light Sensitive Diode Sensors Round Lens for Electronic Project

$19.99

LCLCTC Laser photoelectric Switch PNP NO + NC Input(10-30VDC), 4 Wires; Detection Distance 8-50cm; HG18-D50P3, 12V; 24V Normally Open and Normally Closed

$20.99

Photoelectric Switch Sensor,1 Pair M18 Through-Beam Reflection Optical Photoelectric Beam Sensor,NPN NO (Normally Open) 6-36VDC Photoelectric Switch Sensor

$15.59

1pc New FOTEK Photoelectric Switch A3T-3MX/A3T-10MX Through-Beam Sensor (Type1：A3T-3MX)

$62.4

LCLCTC Laser photoelectric Switch NPN NO + NC Input(10-30VDC), 4 Wires; Detection Distance 8-50cm; HG18-D50N3, 12V; 24V Normally Open and Normally Closed Photoelectric Beam Sensor (NPN, NO+NC)…

$19.99

Seco-Larm E-931-S45RRQ Retro-Reflective Photoelectric Beam Sensor, Compact Size, Pre-Wired 6-Foot Cord, Adjustable Response Time and Sensing Range, Bracket and Hounting Hardware Included

$8.29

Heschen Photoelectric Sensor Switch, E3JK-R4M1, DC12-24V, Feedback Reflection Type, Detection Distance 4 Meter, with Reflector Panel

$4.99

EDISHINE Motion Sensor, Automatic Dusk to Dawn, 120V AC Motion PIR Sensor, Adjustable Delay Time & Detection Range, 180 Degree Replacement Motion Security Floodlight Sensor, Black, UL Listed

$39.99

Taiss/1 Pair photoelectric Switch 0-20M Through-Beam Reflection Optical Photoelectric Beam Sensor NPN NO photoelectric Sensor Switch 6-36V Proximity Switch with Infrared Ray Beam E3F-20DNL-Z-12MM

$15.59

Electronic Sensor Circuits & Projects, Volume III (Engineer's Mini Notebook)

$7.39

SENVA C-1220 Mini, Adjustable PRE-Set, Solid CORE.75-50 AMP, Current Sensor Switch

$13.95

Photoelectric Switch, Through Beam Photoelectric Switch, 5 Pairs 6-36VDC 300mA Sensor PNP Normally Open Switch, Circuit Breaker Panel Safety Switches

$23.22

Heschen M8 Inductive Proximity Sensor Switch, Non-Shield Type, LJ8A3-2-Z/AY-G-DC5V, Detector 2mm, 5VDC 200mA, PNP Normally Closed(NC), 3 Wire

$9.99

Taiss Photoelectric Beam Sensor Switch 30cm Detection Distance Diffuse Reflection Infrared Switch photoelectric Switch Sensor 12-240VDC 24-240VAC Proximity Switch E3JK-DS30M1

$27.99

Heschen M12 Inductive Proximity Sensor Switch, LJ12A3-4-Z/BX, Detector 4mm, 10-30VDC 200mA, NPN Normally Open(NO), Non-shield Type, 3 Wire, 5PCS

$18.88

1 Pair Photoelectric Switch Sensor,Infrared Ray Through-Beam Reflection Optical M18 3/2 Wires Photoelectric Sensor NPN NO 6-36VDC Proximity Switch

$8.31

Ifm Ie5287, Inductive Sensor, M8x1, Sensing Range: 2Mm, 10-36Vdc, Ie5287

$12.99

uxcell Photosensitive Sensor Module Digital Light Intensity Detection 4pins DC 3.3-5V for UNO

$10.32

EDISHINE Motion Sensor, Automatic Dusk to Dawn, 120V AC Motion PIR Sensor, Adjustable Delay Time & Detection Range, 180 Degree Replacement Motion Security Floodlight Sensor, White, UL Listed

$39.99

BikeSpark Auto-Sensing Rear Light G4R, USB Rechargeable, 240HRs, Precise Brake Sensing for Cargo Rack, Large Reflector, 50/80mm Screw Mounted, Easy Release, Made in Taiwan

$12.99

Carus Tool BALLUFF BES BES516-300-S262-S4-D（BHS0032） Inductive Standard Sensors PNP New

$10.99

CKLICS Photoelectric Sensors 10pcs TD-08 Photoelectric Sensor Switch Reflector E3JK-R4M1 E3F-R2N1 Mirror Reflection Plate Feedback Board Infrared Sensor

$12.99

Aputure Amaran 60D S,Amaran 60D COB Daylight LED Video Light,65W 5600k Bluetooth App Control 8 Built-in Lighting Effects DC/AC Power Supply

$85.08

NEIKO 20713A Digital Tachometer, Noncontact Laser Photo Sensor with 2.5 to 99,999 RPM Accuracy, RPM Gauge Marker with Batteries Included

$15.19

OREiN Motion Sensor Outdoor Lights, 3500LM/26W and 240° Big Motion Sensor Flood Lights Outdoor, Dusk to Dawn IP65 Waterproof 3 Modes Security Light LED Outside Lights for House, Black (Hardwired)

$32.99

2-Pack, Dusk to Dawn/Day Night Sensor, Photoelectric Switch, Photo Cell Sensor, 110V/120V/220V/240V Input, UL Listed, IP65 Water-Resistant, Photocell for Outdoor Light

$11.76

XINGYHENG 20Pcs Red Laser Dot Head Laser Diode Laser Tube Diode Module Head 650nm 6mm 5V 5mW and 3V 5mW + 20Pcs 5mm GM5539 Photoresistor Photo Light Sensitive Resistor + 20pcs 10K ohm Resistor

$6.99

BGX-35N Photoelectric Sensor,Diffuse Reflective Spot Size 2MM Sensor,LED Display Light Detection Distance 400MM

$5.99

Seco-Larm E-931-S50RRGQ Reflective Photoelectric Beam Sensor, Up to 50ft Sensing Range, Weatherproof IP55 Construction for Indoor/Outdoor Usage, Anti-Condensation Housing

$26.59

intelamp Motion Sensor Flood Lights - 2 Pack 6000mAh 1200LM Security Lights, Adjustable 3 Mode Wall Lights for Patio, Garage, Porch

$27.99

OREiN Motion Sensor Outdoor Lights, 450° Superwide Adjustment Dimmable Dusk to Dawn Flood Lights Outdoor, 5000K/12W (150W Equiv) Motion Lights for Outside LED Security Lights, IP65, Black (Hardwired)

$59.99

Haldzemo Inductive Proximity Sensor M12 LJ12A3-2-Z/BX Normally Open Detection Approach Switch 2mm NPN NO Flush Switch 3 Wire DC 6V-36V (4 Pack)

$7.49

Telemecanique Sensors RF30 Photoelectric Sensor Reflector, 3", Silver

$8.99

Lzcdelyxiao 5Pcs NC Normally Close PNP Inductive Proximity Sensor Switch M12 Detector 4mm DC6V-36V 3 Wire LJ12A3-4-Z/AY

$109.95

Haldzemo M12 Inductive Proximity Sensor LJ12A3-4-Z/AX Normally Close Detection Approach Switch NPN NC 3 Wire DC 6V-36V with I Type Bracket (2 Pack, NPN NC+I Type)

$8.47

Atyhao Silicon Photodiode,Photoelectric Sensors 2DU3 Silicon Photodiode Visible Light Detector Silicon Photocell Photoresistor

$8.74

Taidacent DC12-24V NPN PNP 3 Wire Inductive Proximity Limit Switch Metal Detector Proximity Sensor Iron Induction Micro Proximity Switch Sensor (NPN Normally Open, H2)

$11.99

LEONLITE COB LED Security Light, Motion Sensor Flood Lights Outdoor, Aluminum, 3 Modes Motion Detector+Dusk to Dawn+Switch Control, 100-277V, Adjustable 2-Head, IP65, 5000K Daylight, ETL, White

$29.99

Bridgold 10pcs(5pcs TSOP38238+5pcs TSAL6200) IR Receiver Modules and High Power Infrared Emitting Diode 5mm 940nm.

$9.99

CM18-08BPP-EC1 Capacitive Proximity Sensor;Cylindrical;8mm;DC;PNP-NO/NC;M12 4-Pin;18mm;Shielded

$7.99

NOYITO E3F-DS30P2 Proximity Switch Photoelectric Sensor Switch 30 cm Adjustable Detection Distance Diffuse Reflection Infrared Switch DC 6-36V 3-Wire PNP NC

$12.88

30pcs 12 Volt 5mm Flat top UV Purple LED Lights Emitting Diodes Pre Wired 7.9 Inch DC 12V LED Light Water Clear Lens Small LED Lamps (5mm Flat top, UV 395nm (30pcs))

$5.99

30pcs 12 Volt 3mm Flat top RGB Fast Flash LED Lights Emitting Diodes Pre Wired 7.9 Inch DC 12V LED Light Water Clear Lens Small LED Lamps (3mm Flat top, RGB Fast Flash (30pcs))

$5.99

LUTEC 32W 2500 Lumen LED Security Lights Motion Sensor Light Outdoor, 5000K Daylight, IP54 Waterproof, Dusk to Dawn, Motion Detector Flood Light for Garage, Yard, Porch-Black

$31.89

Taiss/ 1 Pair Photoelectric Sensor M18 Infrared Ray Through-Beam Reflection Optical Photoelectric Switch Sensor NPN NO 6-36VDC Proximity Switch Inductive Distance 5M with mounting Bracket E3F-5DN1-2Z

$22.98

Dorhea 3Pcs Metal Detector Kit Electronic Practice Kit DC 3V-5V 60mm Non-Contact Sensor Board Module DIY Electronic Part Metal Detector

$44.66

HiLetgo 5mm 940nm LEDs Infrared Emitter and IR Receiver Diode 5MM Infrared Emission+Receiver Tube (Pack of 10Pairs)

$5.69

D12Ep6Fp Photoelectric Sensor D12 Expert Series Plastic Fiber Optic for Banner

$8.99

TORCHSTAR Dusk to Dawn Light Bulbs Outdoor, Sensor A19 LED Light Bulb, Auto on/Off Photocell Automatic for Outdoor Lighting, 5000K, Pack of 4

$25.99

CHANZON 940nm IR Infrared LED Diode 5mm Emitter + Receiver Sender Reciver Kit + VS1838B 1838 Sensor Ray Night Vision 940 nm 20pcs Lighting Lamp Bulbs Assortment for Arduino Raspberry

$6.59

Swann 4K Master Security Camera System, 8pcs PoE Bullet Cameras, 8CH Cat5e Wired NVR System with 2TB HDD, Sensor Spotlights, Color Night Vision, 24/7 Home Surveillance, True Detect, Indoor/Outdoor

$8.91

DARKBEAM ir Flashlight Infrared 940nm Lights LED Mini for Night Vision, Rechargeable Portable Tactical ir Illuminator Torch, Focus Adjustable for Hunting, Observation, Search

$769.99

Digital 2-in-1 Tachometer Noncontact Laser Photo Sensor 3~100000RPM and Contact 3~19999RPM Meter RPM Gauge Tester Professional MAX/MIN/Hold Data, Handheld Car Engine Tool

$145.99

LONNKY [Updated Version :90 Degree Wide Angle] IR Illuminator Long Range up to 330ft/100m,30-LEDs 850nm,IR Infrared Light for Security Camera, Waterproof, Auto ON/Off, Metal Housing

$49

Taiss/photoelectric Sensor 30 cm Adjustable M18 Diffuse photoelectric Switch Sensor Optical Three Lines NPN NO (Normally Open) Proximity Switch 6-36VDC E3F-DS30C4

$9.99

Mageway Indoor E3JK-R4M1 Retro-Reflective Photoelectric Beam Sensor 12-240VDC 24-240VAC Infrared Sensor Switch Proximity Switch 6FT Cable Induction 4M

$8

Haldzemo Inductive Proximity Sensor M12 LJ12A3-4-Z/BX Normally Open Detection Approach Switch 4mm NPN NO 3 Wire DC 6V-36V (4 Pack)

$8.99

Haldzemo M12 Inductive Proximity Sensor LJ12A3-4-Z/BX Normally Open Detection Approach Switch NPN NO 3 Wire DC 6V-36V with L Type Bracket (2 Pack, NPN NO+L Type)

$11.99

Sensor

$14.99