Product Material: ABSSize: 90 * 72 * 22mmColour: Black RAM: 32 MNetwork: GSM/GPRSFrequency band: 850/900/1800/1900 MHz.GPS sensitivity: -159 dBm.GPS accuracy: 5 m.Charging input: DC 5 V-1.0 A.Battery: Rechargeable 3.7 V 1500 mAh lithium ion battery.Standby: 25 days.Storage temperature: -40C to +85C.Working temperature: -20C to +55C.Quantity: 1 pcsPackage content: 1 pcs * locator, 1 pcs * charging cable, 1 pcs * English manual.1. This is a mini version of tk905 the size is 90mm x 72mm x 22mm. New features: power switch, SOS button, lanyard hole, 4-pin magnetic charging instead of USB charging.2. Mini size, light weight, with magnets These new additional features make this GPS tracker easier to perform and use. It is a good idea for personal vehicle protection, high quality product. You can even use it as a smart GPS finder for keys and backpack.3. Real Time Tracking: It can track with GPS and lbs signal, tracking under GPS signal, accuracy up to 5-10 meters when under pounds, accuracy not as good as GPS tracking. You can get real-time location via call / SMS to the GPS tracker or tracking via app / website.4. Route playback: You can check the history data on the app / website, GPS tracker will automatically record history data for 6 months.5. Geo-fence in / out alarm: Set a security area for your tracker (vehicle), when it gets in and out, the app will send notification. The other alarms include overspeed alarm, shock (vibration) alarm, low battery alarm