... 1,Brightness: 400LM 2,Power consumption: 6W 3,Voltage:AC100V~AC240V 4,50Hz/60Hz; DC12V,500mA Product parameter:LED DESK LAMPItem No ... out slowly when you turn on or turn off it.2. The brightness is also can change slowly when you press ... light.4. The electronic parts are with the constant current device. This will protect the LED, and postpone the LEDs’ life. Also ...