Features: The capacity of built-in battery is 350mAh, in case the power is cut, so you'll get the location even if the wires are cut off. Vehicle GPS tracker support SIM card, just insert a sim card and wire it up to the battery, and you know where your stuff is all the time. Support 4-frequency GSM 850/900/1800/1900 MHz which can work worldwide, and can track the real time address by google link. Real-time locator support single location and support GPS/Glonass/Galileo/Compass four different satellite. Alarm function: Geo Fence Alarm, Main Power Off Alarm, Over-speed Alarm, Low Power Alarm keep you know the driving situation any time. This GPS Tracker is Mini Waterproof Tracker and easy to use with ACC detect ignition, the Quality and Stability are better. Specifications: Material: ABS plastic Color: Black GPS Chip: Ublox G7020 GPRS: Class 12 Network: GSM Channel: 20 Voltage Range: 9 - 75V GPS Sensitivity: -162dB GPS Positioning Precision: 10m Waterproof: IP67 Power Cable Length: 98cm / 38.6in Location Accuracy: 5 meters Operating Temperature:-20~+55 Operating Humidity:5% to 95% Non-condensing Built in Battery Capacity: 350MA Product Size: 9*3*1.5cm / 3.54*1.18*0.59 in. Product Weight: 66g / 2.32oz Package Size: 12*8*3cm / 4.72*3.15*1.18 in. Package Weight: 92g / 3.24oz Note: The user manual will explain in detail how to operate this product. Therefore, please be assure to read it carefully before using this product. Package Includes: 1 * GPS Tracker 1 * Sticker 1 * English User Manual