The light bulb will automatically turn on and off. in the detective range, the light bulb will light up and turn off when people walk out of the sensor range. Besides, it will turn off during the day, only work in dark environment or at night . It is perfect for stairs, corridor, garage, , yard, hallway, etc. With the help of it, you will no longer walk in the dark. Feature - Color: White. - Material: Plastic and aluminum. - Size: About 8 x 12cm/3.1 x 4.7inch. - Easy to Use. Easy to install and safe to use.The bulb does not work with a shade on an outside fixture cause this will reduce the range of motion detection. - Built-in PIR Sensor: Auto PIR motion detection for light on/off, the light is on only when someone is nearby which only works in dark. Infrared sensor with a 150 degrees detection angle and 5-8m detection range. - Energy Saving. Automatic on/off less than 12lux light intensity. It lasts for 60 seconds when the movement ceases. Adopting 12W LED as light source, it is energy-saving, environmentally friendly with long lifespan. - Made of material, the night light is durable and use. - for Stairs, Garage, Corridor, Walkway, Yard, Hallway, Patio, Carport, etc. Specification - Input voltage: AC85—265V - Output power: 12W - Lighting angle: 120° - Color temperature: 3000-6500k - Working temperature: -20 degree centigrade~40 degree centigrade - Operating humidity: 5%~95% - Storage temperature: -20 degree centigrade~80 degree centigrade - Base: E27 - Lifespan: >50000 hours - CRI: 70—80 - Luminous flux: 12W 1000lm±10% - Sensing distance: 5-8m - Sensing angle: 150° - Delay time: 60±10% seconds - Light sensation range: ≦8-12LUX - Sensing interval time: 3 seconds - Power in self test time: 120 seconds Package list: 1 x 12W Motion Sensor Light Bulb Smart PIR LED Bulbs Auto On/Off Night Lights for Stairs Garage Corridor Walkway Yard Hallway Patio Carport (Pure White)