The Merlin Stealth M28S Dual Zone Electric Fence Energizer 8 Jouleis a powerful range that can be used for residential to high-end security needs and is a cost-effective solution where more than one zone is required. Separation of the fence into zones allows easy identification of the zone affected by fence faults or tampering. Smart design allows the maximum amount of energy to be transferred to the zone that needs it, yet the combined energy of the two zones will not exceed the legal maximum permitted. These energizers can be controlled by a tag and/or a keypad. The energizers can be programmed to offer customised solutions.Features • 7.6 Joule output energy (two-zone) • Robust and flexible design for home, commercial and industrial security • Can be expanded into a multi-zone system • Built-in alarm monitors tampering or faults on the high voltage and earth fence wires • Connectable to armed response radio or GSM module • Lightning and power surge protection • Intelligent power saving to extend battery life • Easy-to-use tag included for controlling the energizer • Optional keypad for controlling and programming the energizer. This allows the user to control the energizer remotely, with up to four keypads • Powered by 240V mains and includes built-in battery for back-up power • Two built-in gate alarm inputs to monitor if the gates are open or closed