Optical Infrared Water Liquid Level Sensor High Sensibility, Working with Liquid Level Controller Come with 1.8 Meters (6 Feet) Cable by Marinecolor

uxcell Outdoor Photoelectric Switch Sensor Swivel-Mount Conduit Light Control with Photocell Swivel Base

Optical Infrared Water Liquid Level Sensor High Sensibility, Working with Liquid Level Controller Come with 1.8 Meters (6 Feet) Cable by Marinecolor

20Pcs Ambient Light Sensor Ambient Light Sensors IR-Blocking Silicon Phototransistor

Banner R58ECRGB1Q Expert Registration Mark Sensor, Parallel Sensing Image Orientation, 5-Pin Euro-Style QD Connector, 10-30 VDC Supply Voltage, Bipolar (PNP and NPN) Output, 10 mm Sensing Range

Omron E3K-R10K4-NR Photoelectric Switch / Sensor

Banner S18SP6DQ EZ Beam Sensor, Retroreflective Mode, Polarized, Visible Red LED, PNP Output Type, 4-Pin European Style QD, 100mm Range, 10-30VDC Supply Voltage

Intermatic K4236C 120-277-Volt Thermal Photocontrols with Stem and Swivel Mounting

DAOKI 5PCS TCRT5000 Infrared Reflective Sensor Module IR Barrier Line Track Photoelectric Switch

Photocell Sensor Switch, Light Sensor Switch Outdoor Dusk to Dawn Photocell Switch Post Eye Light Control 2V 24V 36V 48V Pack of 2

Twidec/8-60CM Adjustable Indoor Wall Mounted Photoelectric Beam Sensor NPN (NO Or NC Switchable) Diffuse Reflection Photoelectric Sensor Switch Proximity Switch 2m line Cable Induction E3Z-D62-Z

Telemecanique XUK1ARCNL2 Retroreflective Photoelectric Sensor, Compact 50 x 50 mm Body, AC/DC Input, 5-Wire Relay AC/DC Output, 1 NO 1 NC Contact, 2-m Electrical Cable

Ximimark 6Pcs LM393 H2010 Photoelectric Opposite-Type Count Infrared Sensor for Arduino

Califone 8 Position Jackbox with Volume Control, 1218AVPY

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

3.4" Round German Reflector | Silver Mirror | Flat | Plastic | for USE with POLORIZED Super Retro-Reflective |PHOTOELECTRIC SENSORS | Photo Beam Sensor | Very HIGH LUMINANCE Factor 6000 X

Adafruit VEML6070 UV Index Sensor Breakout

Photoelectric Switch Sensor 120V Photocell Dusk to Dawn Button Photo Control Eye Switch Flush Mount

DIGITEN Adjustable Infrared Proximity Switch Photoelectric Detect Sensor NPN NO 12V 24V

AUTONICS BEN300-DDT Sensor, Photo, Diffuse Reflective, Light & Dark On, NPN & PNP Output, 12-24 VDC

Twidec/1 Pair 0-20M Indoor Wall Mounted Photoelectric Beam Sensor NPN NO 18mm Photoelectric Sensor Switch Proximity Switch 2m line Length with Infrared Ray Beam E3F-20DNL-18

5MM Flat-Head PHOTOTRANSISTOR Photo Transistors NPN Phototransisto 400-1100nm SGT5516GK(20 Pieces)

Intermatic LC4523 208-277-Volt Locking Type Thermal Photocontrol

Intermatic LC4521C 120-Volt Locking Type Thermal Photocontrol