The WLFCOMBO is offered with Red or Green letters. Square Style Adjustable LED Head Lamps The WLFCOMBO series uses 12 ultra bright, energy efficient red or green LEDs. Features 2 fully adjustable square LED lamp heads. Total lumen output is 228.6 lm. Wet Location Exit Sign Combo Two in One Solution for Outdoor Lighting A perfect combo exit sign for exterior or wet locations. This ultrabright, compact unit provides the affordability you've been looking for in a high-end package. UL 924, NEC, OSHA, NFPA 101 Life Safety Code, and Listed for Wet Locations 120/277 VAC dual operation Maintenance free 3.6V 1200mAh Ni-Mh Battery (Included) Removable directional indicators Battery Backup Battery Backup The WLFCOMBO series is designed with a maintenance-free Ni-Mh battery that provides a minimum emergency duration of 90 minutes. Recharge time of the battery is 24 hours. Construction The WLFCOMBO series is constructed of injection-molded thermoplastic ABS housing. UL 94V-0 Flame Rated. Fully gasketed with engineering grade silicone. Emergency Operation Upon failure of the normal utility power, an internal solid-state transfer switch automatically provides uninterrupted emergency operation for at least 90 minutes. The fully automatic solid-state, two-rate charger initiates battery charging to recharge a discharged battery in 24 hours.