Material: ABS Memory: 128 (M) GPS positioning accuracy: 5 (m) Alarm mode: vibration alarm, fence alarm, SOS alarm, mobile alarm Dimensions : 88*50*17 (mm) Type of battery : polymer battery Battery life: 400 (h) Waterproof function: strong Antenna type: built-in External power supply form: battery power supply Map function: Google Baidu Resolution: 16*16 Interface text: Support multiple languages GMS frequency: 850/900/1800/1900MHZ  In theory, as long as there is a 2G network, it can be used universally.  4G, 3G card is backward compatible with 2G, with 4G, 3G card will automatically switch to 2G network  Just like the domestic mobile Unicom card call will automatically switch to 2G  GPS locator uses very little traffic, no more than 30M per month
Description
Material: ABS Memory: 128 (M) GPS positioning accuracy: 5 (m) Alarm mode: vibration alarm, fence alarm, SOS alarm, mobile alarm Dimensions : 88*50*17 (mm) Type of battery : polymer battery Battery life: 400 (h) Waterproof function: strong Antenna type: built-in External power supply form: battery power supply Map function: Google Baidu Resolution: 16*16 Interface text: Support multiple languages GMS frequency: 850/900/1800/1900MHZ  In theory, as long as there is a 2G network, it can be used universally.  4G, 3G card is backward compatible with 2G, with 4G, 3G card will automatically switch to 2G network  Just like the domestic mobile Unicom card call will automatically switch to 2G  GPS locator uses very little traffic, no more than 30M per month