... alarm input/outp GPS 3G Wifi car DVR recorder,Mobile DVR,car DVR ,Vehicle DVR,Car recorder,Car camera kits ,car digital recorder • H. ... 25 °C ~ +70 °C• Mini and industrial design appearance, easy to installation, ease of concealment. SpecificationOperating system ... 100MAutomatically adapt to network interfaceWireless Transmission Support built-in 3G wireless transmission capabilities, WCDMA, EVDO, HSPA ...