The M360 is a reliable electric fence Energizer with a smaller design powering up to 250 acres/ 55 miles with 3.6 Stored Joules Brand Name: Gallagher Sub Brand: M360 Volts: 110 V Power Source: Electric-Powered Product Type: Fence Energizer Control Area: 153331200055 sq ft Color: Black/Orange Material: Plastic Stored Joules: 3.6 J Adaptive voltage control technology increases voltage output when fence conditions change Simple plug and play installation Coverage (Clean Fence): 55 miles/250 acres Check power at a glance with the power on indicator Increased power output at each price point Made to last with tough outer casing Built in lightning diverter Coverage (Typical Fence): 19 miles/95 acres