Emergency Backup for Classic Wallpacks 16W - For use where emergency egress lighting during power outages is required.Emergency Backup for Classic Wallpacks 16W Features Include: For Use with 75W 90W Classic Wallpacks Cat#s 71426B, 71429B, 71431B, 71434B, 71454B, 71455B 71457B Input 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 16W