Product Name: GPS Locator Car Tracker compatible with The Elderly And Children To Prevent LossFunction: Positioning to prevent the elderly or children from getting lostMaterial: ABS+PCGPS positioning accuracy: 5 (m)Alarm mode: vibration alarm, SOS alarm, fence alarmBattery type: polymer batteryWaterproof function: life waterproofAntenna Type: Ceramic AntennaExternal power supply compatible withm: usb chargingMap function: HDResolution: HDSpecification: blackAdopt gps+Beidou+WiFi+lbs multiple positioning, signal nationwide coverage, fast positioningThe server big data looks at various data compatible with 180 days, such as speed, direction, stay time, and the mobile phone can see it clearly.Using Baidu AutoNavi map, 3D display, it is easier to locate the nearby environment. target faster