ADDITIONAL FEATURES Prevents add-on equipment from draining batteries, maximizing operational readiness by eliminating dead batteries, saving total cost of operation. Ensures power available to equipment after engine is off or at end of shift (video downloads) are satisfied while automatically turning off after a preset time or optionally if battery charge is low. Protects sensitive on-board electronics via optional under/over voltage shutdown and start event isolation. Bullet-proof Construction: – Sealed unit, high temperature materials allow mounting anywhere on vehicle. Integrated thermal overload protection. Start Isolation / Kill Switch – control input option for service technicians, emergency OFF, or protecting sensitive add-on equipment from engine cranking voltage fluctuation. Flexible Control Options: – via Ignition Key, alternator voltage sense, or both. 4 Year Industry Leading Warranty