Brand new and high quality. It is easy to install and used widely. It can identify day and night automatically. It utilize the infrared energy from human as control-signal source. 2 optional adjustment modes by twist the button : only at night or both night and daylight. It will auto when you enter into the detection range( within 6M), and auto turn off after delay time(according as your adjustment) if you had left the induction area. Size: 56x118mm(DiaxH) Voltage: AC100~240V Frequency: 50~60Hz Current: 2A Power: less than 60W Luminous : less than 3~2000Lux(adjustable) Detection range: 360 ° Detection distance: less than 6M( less than 2 4 ℃ ) Delay time:10~300 seconds( adjustable) Installation height: 2-3.5m Working temperature: -20~+40℃ Working humidity: less than 93%RH Base type: E27 Bulb interface type: E27 Colour: white Material: retardant ABS Size: 56x56x118mm Package Contents: 2 x E27 Motion Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm. LED Lamp Control Switch E27 Motion Sensor PIR Infrared Motion Sensor