Battery Backup Sump Pump Pump Voltage 12V DC Amps @ 10 ft of Head 15.5 A Switch Actuation No Switch Included Flow Rate @ 10 ft of Head 30 gpm Pump Body Material ABS Alarm Output Audible Phone System Visual WiFi Required Battery (2) Group 27 or 31 Batteries Max Head 22 ft Impeller Material Polypropylene Shaft Seal Material - Pumps Hydrogenated Nitrile Butadiene Rubber On Point Adjustable Off Point Adjustable Min Sump Pit Dia 16 in Minimum Water Depth 16 in