Emergency Backup for Classic Wallpacks 8W - For use where emergency egress lighting during power outages is requiredEmergency Backup for Classic Wallpacks 8W Features Include: For Use with 60W Classic Wallpacks Cat#s 71425B, 71428B, 71451B 71458B 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 8W