Waterproof Built in 5000mah battery, standby time up to around 100 Days Powerful Magnet, easy to install Real time tracking; Voice Monitoring Converted into call ID positioning in blind area View Google map on mobile screen Movement alert: Over speed alert Geo fence Synchronization dient Tracker PC Check the history of route GSM/GPRS module:MTK Band:2G 850/900/1800/1900Mhz Communication protocol:TCP GPS chip:NXP GPS accuracy:5m-50m Time To First Fix:Cold status 45s: Hot status 1s Car charger:12-24V input 5V output Wall charger:110-220V input 5v output Storage temp:-40 to +85 Operation Temp:-20 to +55 5%-95% non-condensing Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:Black Material:aluminum Package Contents: 1 x locator 1 x Charging cable 2 x card sticker 1 x dust bag 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.