A need was found for a reliable high current vibration resistant switch for heavy duty use that does not cost the earth and out of this need the Firefly Switch has emerged. Designed for durability and a heavy work load. These switches are activated when the circuit is Brocken therefore eliminating the worry of worn out switch contacts due to vibration or failure due to high amp draw. Suitable for all voltage inputs, however this is not a regulator whatever goes in comes out. Has been tested to 14 amps burst draw, amp limitation is only that which standard RC wiring is able to carry.