2PCS ThroughBeam Photoelectric Sensor Module with for 2 Milliseconds Response

2PCS Photoelectric Sensor Switch Module for Garage Doors and For Industrial Use

10 PCS TCRT5000 IR Photoelectric Sensor 3.3-5V Obstacle Avoidance Module

Waterproof Photoelectric Sensor Bases for 2 Pack for Energy Saving Lighting

2PCS Photoelectric Sensor Switch with IP66 Waterproof and Shock Resistance

2PCS Photoelectric Switch Sensor Module for Industrial Applications 5V DC

3MM For IR Break Beam Sensor Module With Through Beam Photoelectric Switch