1.Automatic on/off, the infrared sensor supports applications that either measure the distance of a target object or detect its presence.
2.Anti-interference, the system can be resistant to interference in other systems, sunlight, light, and battery. 3.Customized setting: working modes and parameters can adjust with a remote.
4.Low power consumption: with regular use average 200 times per day, the battery life of 4 AA battery lasts for three years.