This microwave motion sensor reflects the latest development in interior lighting technology and provides close to zero energy wastage in terms of lights being on unnecessarily. Commonly used to control lighting and extract ventilation. Power-saving by ensuring lights and fans are not left on. They will save energy by ensuring lights and fans not to be left on. The energy savings will be high with a short energy saving investment payback time if connected to average energy level lighting such as fluorescent tubes, or compact fluorescent lamps. Higher savings if controlling tungsten or halogen lighting. The time of the light can last or adjust automatically when you enter and stay in the room and the light will go out according to the time of your your setting when you leave the room. Pluggable type of the terminals which make easier and much convenient to install. Applicable to monitoring equipment,warning facility, LED lamp, fluorescent lamp, incandescent lamp, ventilator and magnetic valve and so on. Can be installed on wall, ceiling and anywhere of your house. Indoor use only Installation sit: ceiling mounting power source: 220-240VAC Max load:800W Frequency: 50-60Hz HF system:5.8 GHz CW radar,ISM band Time setting: 10 seconds to 30minutes Detection angle: 360 degree Working temperature: -15 to +70 C perfect installation height: 2 - 4 meters Detection distance:2-10M(radius) Power consumption: 0.5 W Light control: 2-2000LUX Color:white Material:plastic Size:9.2*9.2*4cm Package Contents: 4 x Microwave Motion Sensor Switch 8 x Screws 8 x Nylon expansion screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.