UM555 is the newly designed and engineered vehicle gps trackerwith latest technology, stable firmware and shining casing.

UM555 has 4 wires, respectively DC+, GND, ACC detection and Relaycontrol.

The new gps tracking device has also backup battery and shocksensor builtin in, so it can offer vibration alarm and main powertamper alarm.

The most useful feature is that all these alarms can be sent bySMS or Call once they are triggered, alarm including: powertamper, ACC/Engine ON, Shock.

Newlydesigned vehicle gps tracker for car, truck and motorbikeSupport Real time web tracking softwareSupport IOS/Android smart phone based tracking appSupport SMS command trackingGeo-fence alarmSleepmode to save powerBuilt-in backup battery 90mAhRemoteengine immobilize by connecting with relay. (optional)Support auto Arm and Disarm with ACC wire connectedSupport engine On and call preset numberSupport shock detection and call preset numberSupport power tampered alarm and call preset number