This product is an intelligent sensor switch module device; Light on when people is coming at night or in dark places and light off after people left; Multi-purpose board suitable for small and remote sensing with sensor switch boxes both taps urinal red toilet shower head function. Set the infrared transmitter and receiver the intelligent automatic water control pulse solenoid valve drive stable and reliable; Sealed shell lighting isolating and waterproof easy to install truly integrated; Just write different programs can achieve a variety of functions using different functions for different purposes for different occasions; Auto-sensing distance can be set: sensing distance can be set automatically (you can also manually set) based on response to the environment and the distance is stable and reliable strong anti-stray light capabilities; Conserve power small size long life clean safe and reliable; Temperature compensation temperature compensation chip reduce the impact by the temperature sensing distance; Voltage: 5V~24V DC; Output current: 5mA; Operating temperature: -20~50'C; Sensing distance: 1~150cm; Static current: <18mA