The Nemtek Wizord energizers have been field tested for many years and boast unsurpassed reliability. Simple to install and easy to maintain. Features: 2 Joule output energy (single zone) Robust and flexible design for home 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 Powered by 240V mains and includes built-in battery for back-up power Built-in gate alarm input to monitor if the gate is open or closed