Channel Safety Systems 15W LED Maintained Emergency Bulkhead offers a minimum of 3-hour emergency lighting period during a power failure with less than 24 hours to recharge. Being colour selectable, the LED can be selected in multiple colours including warm white, cool white, and daylight options (3000, 4000k & 6000k). Suitable for installation indoors and outdoors with an IP65 rating. While mains operated the lumen output is 1400 lumens and during emergency operation it\'s 132 lumens. Specifications The idea for installation in corridors and exit routes Selectable LED colour options: Warm White (3000K), Cool White (4000K), and Daylight (6000K) Slim design Suitable for wall or ceiling mounting IP rating: IP65 The 3-hour duration during a power failure 24 hour charge time Twist on diffuser