Features and Specification: Brand new and high quality GPS Chipset: SiRF Star III GSM Chipset: SIM 900 (Quad Band 850/900/1800/1900 MHz) Support setting 3 authorized cell phone numbers Track on Demand, time Interval Power saving mode SOS button for immediate rescue and alarm Geo-fencing alarm Over speed limit warning Motion Sensor "No GPS" warning Low Battery warning Support Data Logger (Built-in Memory) Super long battery last for 1 year Color:Black Diemnsion:8.8 x 5.6 x 2 cm Weight:132g Package Content: 1 x GPT69/GT-99 GPS Super Tracker 1 x USB cable 1 x DC Adapter charger