The Merlin Stealth single-zone energizers are a powerful range that can be used for residential to high-end security needs. 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 (single zone) Robust and flexible design for home, commercial and industrial security 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 a built-in battery for back-up power Two built-in gate alarm inputs to monitor if the gates are open or closed