Luoshida Laser Through-Beam Diffuse Reflection Photoelectric Switch Electric Eye Visible Light LQD LTD-03NO Laser Sensor

$63.00

HC-SR501 Human Body Infrared Sensor Module, PIR Motion Sensor, Includes Lens

$3.05

Photoelectric Liquid Level Sensor Probe with Photoresistor Module for Water Tank and Pool Level Monitoring

$35.00

Photoresistor Relay Sensor Control Module Light-Controlled Switch No-Light Induction Module

$35.81

Jingjiake New Long-Range Through-Beam Photoelectric Switch BZ-T61 with Adjustable Detection Range, Visible Red Large Light Spot

$70.00

Liquid Level Sensor, Surface Detection Sensor, Water Level Monitoring Sensor Module, Float-Type Level Switch

$30.65

Liquid Level Sensor Liquid Surface Detection Sensor Water Level Monitoring Float-Type Level Switch Sensor Module

$57.27

Sulfur Dioxide (SO2) Gas Sensor: Electrochemical Industrial Toxic Gas Detection Probe with Alarm and Gas-Sensitive Element

$670.00

High-Precision Rotronic Temperature and Humidity Sensor Chip Hygromer M1-R Environment ROTRONIC

$259.00

Photoresistor Relay Control Module/Light-Controlled Switch/No-Light Sensing Module 12V DC12V

$33.00

Magnetic Induction Intensity Detection Gauss Meter Magnet Polarity Magnetic Field Pole Measurement Instrument Hall Sensor 485 Communication

$78.00

24V Light-Controlled Switch Board with Wired Photoresistor Sensor for Light/Dark Detection and Relay Control Module

$33.00