Electrical Supplies

Woosien - Dc 12v Photoelectric Switch Sensor Relay Module 50mmx25mm w 2 Cable Indicator light: one green for switch, red one for . in a potentiometer for sensitivity control.The module with Photoelectric Switch Sensor Relay Module, can be in street lamp ,automation equipment, detecting the brightness, etc.Product Name:... Woosien - Dc 12v Photoelectric Switch Sensor Relay Module 50mmx25mm w 2 Cable