Exit Combination Unit, Unit Type: NEMA-4X & NSF, single face, Battery Type: nickel-cadmium, Battery Wattage: 36W, 120/347VAC, Voltage DC: 6V, diagnostics, non-audible, self-powered, two lamps, Lamp Type: MR16 LED, Lamp Voltage: 6V, Lamp Wattage: 4W, Housing Colour: white, Faceplate Colour: white, Legend Colour: red, Head Style: shielded, Battery Run Time (Minimum): 30 minutes