ELD20UNVL 20 Watt 120-277V LED Emergency DriverSUGGESTED ALTERNATE: 20 Watt LED 2000 Lumens Dual Flex 120 277V Constant Power Emergency Backup 17 Watt 20 50VDC Output 120 277V Input 90 Minute LED Emergency Backup Driver ESL EMG SL6 CSC 18W 18 Watt LED 100 347V Emergency Driver A commercial building's emergency and exit light requirements mandate active lights in egress exit routes. We offer a wide range of hard wired and or battery backup emergency lighting that includes LED emergency lights, LED