Check the listing for details. US Standard LED Emergency Lights Battery Backup Emergency Lighting UL Listed. Condition: New. Listed at 17.99 USD. Ship from US Warehouse directly (Delivery Time 2-4 working days by FedEx/UPS) US Standard LED Emergency Light SpecificationsInjection-molded the thermoplastic housing and Fire ResistantInput Wattage 5W, Output Wattage: 1W-2WInput voltage 120/277VAC voltage operationWall mountingUL Listed and Energy efficientSuitable for damp location90 Mins Battery BackupCharge time: 24 hoursBattery: 3.6V Nickle Cadmium Battery 1000mAh Working temperature : 0 ~ 40 ℃ (32℉- 104℉) Application When the power turns off, the voltage sensor completes the battery circuit, turning on the lamps. It can be used in commercial facilities to provide illumination in different positions such as office buildings, exit doors or stairways in schools, churches, preschools, hospitals, etc. Shipping TimeFree shipping within 24 working hours after payment was made2-4 working days delivery time.Please contact with us freely if you have any question.