E27 4 w half mirror led bulb clear warm white this half mirror led bulb is a highlight because the light is only emitted to the side or the back due to the mirror in the head of the bulb its glare free light makes it particularly suitable for designer lights open lights or mirrors the special arrangement of the leds and the very high light output in lumens allows it to replace a half mirror traditional light bulb with a power consumption of up to 39 w advantages