Mini GPS Tracker SOS Tracking Device For Vehicle/Car/Person Location Tracker Locator Specifications: Product Name:GPS Tracker Type:Mini GPS Trackers Size:4*2.5*1.5cm/1.57*0.98*0.59 Material:ABS Talking time:150-180minutes Standby time:12 days Working time:4-6 days Expansion card:Mini TF Card (Not include) Network:GSM / GPRS GSM band:850/900/1800/1900 MHz GMS positioning time:25 seconds Power:5V 300-500mA Battery capacity:3.7V 400 Ma lithium ion battery Working voltage:3.4-4.2 V Storage temperature:-40 to 85 ℃ Operating temperature: -20 to 55 ℃ Humidity: 5%-95% without condensation. Features: 1.Support Internet Network data transmission; 2.Supports remote operation of mobile phone. Function: recording Sound monitoring GPS track machine state restart etc; 3.Support GPS and LBS (location based service) double tracking system improve the accuracy of position; 4.Super magnetic power. Build-in 2 pcs strong magnet you can put it on the metal plate and absorb it automatically; Package List: 1 *Mini Tracker 1 *USB Cable 1 *User Manual GPS Tracker Notes: 1. Please allow 1-3 cm different due to manual measurement and 3-5g for the difference between different colors. 2. Due to the screen difference the color may be a little difference from what you expect please allow it.