Easy to install with little or no plumbing knowledge required! This pre-assembled Basement Watchdog Combination Sump Pump System provides both primary and battery backup pumping capabilities, offering the ultimate protection and peace of mind. The 1/3 HP Cast Iron/Cast Aluminum primary pump is both powerful and energy efficient, using only 3.5 amps. The primary pumps at 3,720 GPH at 0 ft. lift and 3,100 at 10 lift. This system includes the Basement Watchdog Emergency Backup Sump Pump system pumping at 2,000 GPH at 0 ft. lift and 1,000 GPH at 10 ft. lift. The Backup system will protect your basement from a power outage, primary pump or float failure, and provides extra pumping capacity when needed. Its control box monitors the battery, pump and power conditions 24 hours a day. It will sound an audible alarm, give a visual warning and pinpoint the problem when there is an issue. With this sump pump system in your pit, you can feel safe that the Basement Watchdog is WATCHING OUT FOR YOU!