... , bus, truck etc. Description: ·Track by software/by cell phone ·Over-speed alarm, Low power alarm, Geo-fence alarm ·Roaming feature ... to save cost ·Control or detect the car doors/engine on/off ·Cut off the engine power Gradually and safely when ... , 2 analog inputs auto GPS /GSM/GPRS/AGPS tracker, engine on& off, geo-fence control,over speed&low power alarm, mileage calculation