Product description Material: ABS Size: 90 x 72 x 22 mm Color: black Memory: 32 MB Network: GSM/GPRS Frequency band: 850 /900/1800/1900MHz. GPS Sensitivity: -159dBm. GPS Accuracy: 5m. Charging Input: DC 5V-1.0A. Battery: Rechargeable 3.7 V 1500 mAh lithium-ion battery. Standby: 25 days. Storage temperature: -40C to +85C. Working temperature: -20C up to +55C. Quantity: 1pc Package Content: 1pc*Locator, 1pc*Charging Cable, 1pc*English Manual. 1.This is a mini version of tk905the 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 MagnetsThese new additional features make this GPS -Tracker easier to carry out and use. It's 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 if under pounds, accuracy not as good as GPS tracking. You can get real-time location by calling/SMS to GPS tracker or tracking by APP/website. 4.Route Playback: You can check history data on APP/website, GPS tracker automatic 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 over speed alarm, shock (vibration) alarm, low battery alarm