Features include 10 amp battery charger without burnout and battery overcharge protection. The pump is a 12 volt highly efficient with noncorrosive pump construction. The 12 volt DC control box is automatic with complete light, alarm indicators and warning system. Control device is a variable level reliable float switch. The pump contains an internal check valve in the discharge and includes an additional heavy duty check valve adaptable to 1-¼” or 1-½” pipe. Primary pump NOT INCLUDED.