It's the D.I.Y. solution for replacing your current sump pump with an efficient, cost-saving one that includes a battery backup system with 24 hour a day monitoring and a Wi-Fi capable controller (BW-Fi Module required for Wi-Fi connection, sold separately). With two sump pumps in your pit, continuous monitoring and remote notification allowing you to receive texts, emails and in App alerts you can feel safe that your basement is protected. The system is easy to install with little or no plumbing knowledge required. The 1/2 HP Cast Iron primary pump provides capacity up to 4,400 GPH at 0 ft. lift. The backup sump pump is battery-operated and pumps at 2,600 GPH at 0 ft. lift. The Wi-Fi capable controller monitors the pump, power and battery conditions 24 hour a day. Plus, the controller exercises the pump weekly to make sure it stays healthy. A remote terminal provides easy connection to a security system, auto dialer or other dry contact device. The Basement Watchdog Big Combo is the ultimate peace of mind when you're away from home.