Comparable to 2 x 18w and 2 x 26w plenergy savings in excess of 50lasts up to 10 times longer than standard compact fluorescent plsamsung smd leds with low lumen depreciation at least 70 of initial light output at 50 000 hourscompliant with building regulations part l2 with efficacy values of 80 luminaire lumens per circuit wattsuitable for pir switchingpre wired driver to fitting malefemale connectoremergency and dimmable versions available