Emergency Backup for Classic Wallpacks 25W - For use where emergency egress lighting during power outages is requiredEmergency Backup for Classic Wallpacks 25W Features Include: For Use with 90W 120W Classic Wallpacks Cat#s 71431B, 71434B, 71440B, 71441B, 71450B, 71457B,71455B 71472BInput Voltage: 120-277V Input Current: 100mA Max Power Factor: 0.6 Recharge Power: 8W Max Output Current: 100-1050mA Output Voltage: 11-56VOrder Qty of 1 = 1 PieceSpec SheetInstruction Sheet Below is more info on our Emergency Backup for Classic Wallpacks 25W