Indicator light: one green for switch, red one for power. Built in a potentiometer for sensitivity control. The module with Photoelectric Switch Sensor Relay Module, can be use in street lamp ,automation equipment, detecting the brightness, etc.

• Indicator light: one green for switch, red one for power. Built in a potentiometer for sensitivity control. The module with Photoelectric Switch Sensor Relay Module, can be use in street lamp ,automation equipment, detecting the brightness, etc.

Indicator light: one green for switch, red one for power. Built in a potentiometer for sensitivity control. The module with Photoelectric Switch Sensor Relay Module, can be use in street lamp ,automation equipment, detecting the brightness, etc.AutoAccessoryMisc