P.L 9W PIR Infrared Motion Detection Sensor & Light Sensor LED Light Bulb Auto Switch Stairs Night Light Pure White Auto PIR motion detection for light on/off, Low working voltage, secure and reliable, Low power consumption, good color saturation. Lifespan up to 50,000 hours -long service life and Seldom incorrect switch on. Widely used for home-E27 base, safe power interface, easy to install and dismantle. Wide application range-home, bedroom, household corridor, veranda, balcony,toilets, exhibition hall, stairs, etc. Average Power Consumpition 2kw per year.