Bright Blue Glow, Auto ON/OFF Plug In LED Night Light with Dusk to Dawn Sensor [Pack of 2] Input Voltage:110VAC, Power: 0.5W. Energy saving design, Use less than 1 KWH every month, Save $38 Per Year. No need to replace the bulb With dusk to dawn sensor, Automatically light up in darkness. No switch button Econonimal, The normal lifespan can be 10000H ROHS and UL Compliant, Safe and cool to be touched. It emit bright blue glow, perfect for use in the toilet, stairway and kitchen.