Alluminum Case A19 Bulb E27 Based 7W AC 90-265V PIR Infrared Motion Detection Sensor + Light Sensor LED Bulb Auto Switch Energy Saving Night Lamp Indoor Lighting (Pure White 7W) Auto PIR motion detection for light on/off, only allows the light to be activated on when the ambient light is low or dark and people get closed to it (3-6 meters). Low working voltage, good color saturation. Easy installation, safety and energy saving. The rate of electricity is more than 85%. Environmental protection: Adopting high quality LED as light source, low heat, no RF interference, no flash, can protect your eyes and brains. Alluminum case: Sturdy, Fast heat dissipation, Strong anti-interference, long using life. Intellective time-delay. The service load will keep working when some body moves about in the detecting area. Secure and Reliable: E27 base, safe power interface, easy to install and dismantle, wide application range-home, bedroom, household corridor, veranda, balcony, toilets, exhibition hall, stairs, etc.