Features:Real time free tracking, GSM/GPS dual mode positioning, positioning accuracy of up to 5 meters.It has 5pcs built-in magnets,with super strong powerful magnetic,can be very easily installed.5000mA battery, long time use, super long standby, charge once can standby for 90 days.Electronic fence, over speed, low power alarm, voice monitor.Track the location of the lost or stolen pets, children, the elderly and vehicles.Descriptions: Call the tracker receive an instant location map to your phone/tablet/PC of exactly where the tracker is located.Waterproof design, no need to worry about the rainy days.Specifications:Model: TK905Size: 90 x 72 x 22mmColor: BlackNetwork: GSM / GPRSGPS Sensitivity: -159dBmGPS accuracy: 5mCharging Parameters: 110-220V Input; 5V-1A OutputBattery: Rechargeable 3.7V 5000mA Lithium batteryStandby Time: 90 daysEnable Time: cold boot 45s; warm boot 35s; hot boot 1sStorage Temperature: -40C to +85COperating Temperature: -20C to +55CHumidity: 5%-95% non-condensingPackage Included:1 x GPS Tracker1 x USB Cable1 x Storage Bag1 x Screw Driver (for sim-card installation)1 x User Manual Notes:The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.