... ·Fleet Management: car, taxi, bus, truck etc. Description: ·Track by software/by cell phone ·Over-speed alarm, Low power alarm, Geo-fence alarm ... :TZ-AVL03, TZ-AVL05 Specifications: Dimension96mm*65mm*25mmN.W0.24KGExterior Power SupplyDC9V-36VInner Lithium batteryDC 3.7V-4.2VExterior GSM antennaReceive ... /AGPS tracker, engine on& off, geo-fence control,over speed&low power alarm, mileage calculation