Quick Sense(Qs-WR05): Touch Smart IR Sensor for Auto Lights It is a Touch Sensor. Its ON or OFF is controlled by touch metal. When your hands touch any metal surface connected by the metal ring, it gets detection and turns on the light. The light will be switched off when your hands touch again. Power source: 220-240V/AC Power Frequency: 50/60Hz Install the product on the wall with two enclosed inflated s Connecting the power and the load to the sensor as the connection-wire diagram Switch on the power an