... ,including geo-fencing ,SOS alert, lower battery alert, GPS blind area alert * IO port: 5 digital input ... RFID reader, barcode reader, driven authorization reader, mobile data terminal Peripherals Supported * Tank level fuel sensor * Mobile data terminal * CCD camera * RFID reader * Handsfree ... 63mm*33mm Weight: 700g ,without any optional accessory GPS receive:20 channels Dataum:WGS-84 Power source: ...