Glentronics, Inc. PS-C11 PHCC 2770 Gallons Per Hour Pro Series 1/3 HP Combination Sump Pump System 2770 GPH flow at 10-Feet head with 31-Feet max head. Back-up 1730 GPH Automatically switches to battery power when AC fails Backup pump will assist primary pump if excessive amounts of water are entering the sump Detects irregularities, sounds an alarm, and pinpoints problems and solutions on control panel Primary 115 Volts, 60HZ. Back-Up 10-12 Amps DC current