Features: Long lifespan: Built-in 3.7V 400mAh lithium-ion battery, long service life. Compact and small size: Light weight, very easy for carry. Durable black shell: Easy to hide, perfect for tracking vehicles, teens, spouses, elderly persons or assets. Very convenient: All you need is a working SIM card (NOT included ) to insert into the device, then you can track and map (with Google Maps) in real-time over the Internet. Easy to install: With two powerful magnets inside, easy to attach to vehicle firmly, no extra installation need. Very safe: Dial SIM card number, then you can hear voice around this tracker, with no light and no noise. With this mini tracker, you can monitor what's going on around the tracker silently and secretly. Wide application range: for cars, motorcycles, trucks. Specification: Condition: 100% Brand New Material: ABS Color: Black Battery Capacity: 3.7V 400mAh lithium-ion battery Working Voltage: 3.4 - 4.2V DC Length: 4.2cm / 1.6in Width: 2.3cm / 0.9in High: 1.4cm / 0.6in Quantity: 1pc Package Weight: Approx. 92g / 3.2in Application: for cars, motorcycles, trucks. Package Included: 1 * GPS Tracker 1 * Charging Cable 1 * User Manual