Feature[US STANDARD]Injection-molded, engineering grade. 5VA flame retardant shell ensures operation during fire or earthquake.[EFFICIENT & LONG-LASTING]Built-in nickel-cadmium 3.6V backup battery provides 90+ minutes of emergency operation. Suitable for parking lots, corridors.[EASY INSTALLATION]Simple installation on the wall. Fits most standard junction boxes for fast and safe electrical connection.[WIDE RANGE APPLICATION]Ideal for home power outages, schools, churches, hospitals, commercial buildings, offices, exit doors, and stairs.[SAFETY GUARANTEE]High-end LED lights and advanced optical design for the best lighting experience. Super bright LED lights illuminate every corner.SpecificationColor:WhiteMaterial:PlasticsSize:9.82"L x 4.13"W x 2.69"HProduct voltage: 120-277VProduct power: 2WLight source: SMD 2835 SMD LED 2*12PCSBuilt-in Battery: 3.6V700 Ni-Cd batteryDischarge time: más que el 90 minutesCharging time: 24 hoursWorking Temperature: 0-50°.Number of LED lights: 2Switch Installation Type:Wall MountPlug Format: US style