Features: With a photosensitive internal switch that only allows the light to be activated on when the ambient light is low.  The led light usually used in corridor, stair, factory.  Automatically turn on infrared detects changes such as when someone walks into its area of detection.  The light will stay on for about 30seconds after infrared detection ceases.  Plastic lampshade, easy to ship.  Environmental, no mercury, radiation-free.     Specification: Bulb base: E27/B22.  Voltage: AC220V.  Wattage: 2W.  Lumen: 180lm.  Light color: warm white/pure white.  Color temperature: warm white(2700-3200k) pure white(6000-6500k).  Led quantity: 32leds.  Detection range: 5m.  Beam angle: 120degree.  Delay time: 30s.  Material: plastic.  Size: E27&B22(50*70mm).     Package Included: 1x E27/B22 LED Sensor Light Bulb