Intelligent motion sensor: The motion sensor is like a small electronic eye, which can detect infrared heat waves emitted by moving objects. When the detector detects moving objects, animals and cars in its field of view, it electronically turns on the lights. The bulb will stay on for 30 seconds, then the detector will automatically turn off the light until you continue. Dusk to Dawn Function: Built-in sensor automatically turns the bulb on from dusk to dawn at dusk and off at dawn. This eliminates the need to turn the bulb on and off. Simple and energy-saving: Easy to install in standard E27 socket. The 15W LED induction bulb is energy efficient and cost effective. It replaces the traditional 50W halogen bulb and saves more than 80% energy compared to ordinary bulbs. Wide range of applications: This motion sensor bulb only lights up in the detection area at night or in a dark environment, saves energy, protects the environment and lasts a long time, it can be used for stairs, hallways, bathrooms, front doors, storage rooms, garages, closets, balconies, doors, etc. Package: 2x bulbs Note: This PIR motion sensor LED bulb only works in dark conditions ;. Do not recommend using this bulb in the bathroom. To ensure a normal detection angle, the height should be between 1.2 and 2.3 m for wall installation and between 3 and 4 m for wall-mounted installation. roof installation. Please turn off the power before installation. < p> < /div> < div class="apm-sidemodule-textright"> Specification: Product: LED bulb for PIR motion detector