Exlight 0.5W Plug-in Night Light Built-in Brightness Sensor for Bedroom, Living Room, Bathroom, Set of 6(White) Energy Saving-low power consumption, eco-friendly. Soft light will not affect sleep. Built-in brightness sensor- Auto Light Control, when the light become dim in the room, this lamp will auto light and start to afford Soft Light. Easy to use. To plug in the socket can be used, 110-220V AC input, no need batteries, no heat from lamp, stays cool to the touch, safe for use in kids room. Long life to light up more than 50000 hours. Perfect for bedroom, Living room, bathroom, hotel, bar, office, etc. Dimensions: 2.6*2.0*2.5 inches, Set of 6