Constructed of 20-gauge steel. Cabinet offered in Mist white. Knockouts on the back of unit for wall mount. Side and top knockouts for conduit. Each unit comes with two adjustable 6V-5.3W LED heads. Each unit provides 280 lumens. 6V Sealed Lead-Calcium, maintenance-free, rechargeable battery. Low voltage disconnect. Dual voltage 120/277, 60Hz. LED indicator light and push-to-test switch. A 2 hour run time in Emergency mode.