Features: Unlimited distance real time tracking.With -fast network, our GPS Tracker offers a great way to track vehicles, teens, spouses,pets,seniors,luggage and all other valuables. Stay connected with long battery life for up to 2 weeks with high-speed updates. This GPS portable tracker has a built-in extended Li-Polymer battery which lasts up to 14+ days. Tracking, Alerts & Smart Notifications: Revolutionary technology works indoors & outdoors. For outdoors. When indoors, listens to nearby Wi-Fi routers , matching IDs to database for accurate location. Mainly used for tracking Luggage, Assets; Kids, Baby, Elderlys’ safe tracking. All you need is a working SIM card (not included) to insert into the car tracker, then you can track and map (with for Google Maps) in real-time over the Internet. Dial SIM card number, then you can hear voice around this tracker, with no light and no noise, you can monitoring what’s going on around the tracker device silently and secretly. Specification: Material: Plastic GPS positioning accuracy: 500 m Dimensions: 42*25*16 mm Battery type: polymer battery Battery life: 96H Waterproof function: None Antenna type: AGPS/LBS External power source: built-in battery Package Include: 1PCS X Mini tracker 1PCS X USB cable 1PCS X User manual Note: The product must be used under 2G network.