1.Waterproof 2.Built in 10000mAh battery, standby time up to around 150 Days 3.Powerful Magnet,easy to install 4.Life time free web tracking 5.size:90mm x 72mm x 32mm (3.54 inch x 2.83 inch x 1.26 inch) 6.Real time tracking 7.Converted into call ID positioning in blind area. 8.View Google map on mobile screen 9.Movement alert; Over speed alert Geo fence, 10.Synchronization client Tracker PC 11.Check the history of route Colour:Black Material:ABS note:Accessories colors are random, no specified colors are accepted Package Contents: 1 * GPS tracker kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.