Check the listing for details. 4-Pack LED Green Emergency Exit Sign Battery Backup UL Listed 90 minute backup. Condition: New. Listed at 79.00 USD. 4-Pack Green UL-Listed Emergency LED Exit Sign Fire Resistance Batteries Included Ships from Los Angeles within 24 hours, Fast DeliveryFeatures:Hard-wiredDouble / Single sided face configuration sign in a fire retardant, injection-molded, thermoplastic ABS housing Wall, ceiling, and end mountable; Input Voltage: 120/277VAC 60HZLong-lasting Epstar SMD LED light with test switch and charge indicator lightNickel cadmium battery provides 90 minute backup power in the event of a power outage; 1.2V 1000mAhUL-certified with a UL-94-5VA flame rating plus overcharge and over-discharge protectionOperates in damp, but not wet, and dry conditions; operating temperature 0-40 degrees CelsiusColor sign guide: Package Contents:4pcs x LED Exit Sign Emergency Lights4sets x Mounting Plates4sets x Sets of Mounting Accessories4pcs x Product Manuals Shipping:Free shipping on all orders for U.S domestic 48 contiguous state customers. Extra charge if not.We do not ship to PO boxes or freight forwarders.Please provide a physical address during checkout.Orders usually ships from California within 24 hours of purchase. Returns:Standard 30 day return policy for all unused items. If item is defective, lost, or damaged during shipment please contact us immediately. Thank you for your time and opportunity to work with you. Please let us know if you have any suggestions or need any help.