The Lithonia Lighting Basics ECRG, is a combination of exit and emergency lighting. The ECRG is ideal for safely illuminating the path of egress above-the-door in small spaces at lower mounting heights while providing 90-minutes of emergency power. Contains ability to switch between red and green letters.. ECRG LED exit sign has an internal switch for red or green color selection. Offered in the new bright white thermoplastic housing, the EXRG has a classic design with updated features, this fully assembled single-face exit comes with an extra faceplate and red and green panel inserts for ultimate field configurability. Dual-voltage 120-Volt/277-Volt, 60Hz. UL Listed, meets all applicable requirements for UL 924, NFPA 101 (current life safety code), NFPA 70 (NEC), FCC title 47, part 15, subpart B and OSHA, indoor damp location 50 degree F to 104 degree F (10 degree C to 40 degree C) listed. Mounting pattern on canopy (top and side mount) and back plate (back mount) fits most standard size junction boxes. Typical life of the LED lamp is 10-years. Provides a minimum of 90-minutes illumination for the rated wattage upon loss of AC power to meet code required emergency lighting. Battery: 3.6-Volt maintenance-free, rechargeable, nickel metal hydride. 2-year limited warranty. <a href=https://www.homedepot.com/c/electronics_recycling_programs style=color:#F96302 target=_blank>Click here for more information on Electronic Recycling Programs</a>. Package Quantity: 1. Compatible Bulb Type: Integrated LED