Gallagher's 110 volt Fence Engergizer M800 is made to last with a tough outer casing, built-in lightning diverter, and the latest internal circuitry. Compliance with latest UL Standards guarantees safety and reliability. Simple "plug and play" installation. Highly efficient Energizer output delivers market leading performance, reliability and stock control. 8 Stored Joules Clean Fence: 90 miles/520 acres Typical Fence: 30 miles/200 acres More power at a lower price - Increased power output at each price point Robust and Reliable - Made to last with tough outer casing, built in lightning diverter and the latest internal circuitry Compliant with latest UL Standards guarantees safety and reliability Simple "Plug and Play" installation High performance livestock control: Highly efficient Energizer output delivers market leading performance, reliability and stock control Gallagher trusted reliability: Extensive testing and industry leading manufacturing processes provide exceptional reliability under harsh conditions Easy to secure to a flat surface: Keyhole mounting points for fixing the Energizer to a wall or other flat surfaces Power on indicator