High brightness low consumption the lumilife 15w led bulkhead consumes just 15 watts while boasting a lumen output of 1040 in a cool white 5000k shade thats 69 lumens per watt multiple options you have additional options to choose from including a microwave sensor emergency corridor function or a mix of all 3 just use the drop down above to select the microwave sensor will allow for the light to come on automatically when motion is detected for extra security opt for the emergen