... 1. 1PC 500mAh battery2. Built in Microphone and Speaker4. USB cable and Wall ... :1. Car charger for connecting WT200 with car battery.Specification: Operating temperature-25Centigrade ... . GPRS location tracking via time intervalTwo-way communicationWith external speaker, tracker can receive ... terminal ID, time, address, position validity, alarm( over-speed, SOS), vehicle status( engine, door), speed, ...