LED light fixtures alone are already energy-efficient compared to traditional lighting solutions. However, did you know that you can make them even more energy-efficient? How? With the help of our PIR Sensor, Recessed - White Body ! By incorporating sensors with your lighting system, you eliminate the times you forget to switch off your lights when not in use. Why do you need to buy this? Its design with infrared motion sensors with an integrated circuit which allows the sensor to detect heat signatures. With this, your lights will automatically switch on when someone is in the room! Wide detection range and fast detection speed! This sensor has a 360-degree detection range and a 0.6-1.5m/s detection speed . Wherever you are in the room, as long as you re within the scope, it ll be able to pick up your presence! This LED sensor is recessed and requires a 40mm cut-out hole . Ensure that you get this right to guarantee that your sensor will fit snugly onto the surface. Constructed