Walnut Innovations PIR Motion sensor Switch:-This PIR Motion Sensor is a new type of Energy-Saving light control switch. It works by detecting heat rays emitted by the human body. Auto-switching lights or other fixtures based on human occupancy in residential and commercial buildings. Security systems for triggering zeros or switching on Camera/DVR when human motion is detected.PRODUCT INSTALLATION :1. In order to achieve effective Sensing distance, please keep the switch 1.5 meters high from the ground.2. The light, such as an incandescent lamp which emits high heat should be kept from the switch, at least one meter3. During installation first time, the switch's initialization will take 30-50 sec. It's natural for the switch to turn on/off voluntarily.4. When you install the switch in the daytime, adjusted to SUN (max), it will work day and night, & when adjusted to MOON (min) it will work only in the ambient light less than 3LUX means work only at night time or in dark.APPLICATIONS :Indoor Lighting / Outdoor Lighting / Intelligent BuildingsCorridors / Pathways / Lobby / Cloakroom / Basement lightingSolar/Wind based applicationBattery Operated ApplicationsIndustrial ApplicationsSecurity ApplicationsPACKAGE INCLUDES :1 x Infrared switch1 x Complete User Manual1 x Accessories (Screws and Plastic insert for fixing)