Feature 1Increase shift alarm, and alarm when exceed electronic fence area.It is safer and reliable. 2With intelligent power saving mode, more practical and energy-saving in use. 3Increase fuel cutting and power off function, ACC status notification function, and low power / power failure alarm, proving you much convenience. 4With blind zone retransmission function. When there is no signal, the data is saved in GPS. And it will be retransmitted when the signal is ready. 5The AGPS function is contributed to being located quickly. Gives you the accurate information.Features: Increase shift alarm, and alarm when exceed electronic fence area.It is safer and reliable. With intelligent power saving mode, more practical and energy-saving in use. Increase fuel cutting and power off function, ACC status notification function, and low power / power failure alarm, proving you much convenience. With blind zone retransmission function. When there is no signal, the data is saved in GPS. And it will be retransmitted when the signal is ready. The AGPS function is contributed to being located quickly. Gives you the accurate information. Specification: Color: Black Material: ABS plastic Dimension: Approx.63x46x17mm/2.5x1.8x0.7in Network: GSM/GPRS Network band: 850/900/1800/1900Mhz Chip: For UBLOX GPS sensitivity: -159dBm GPS accuracy:5m/16.4ft First starting time: Cold status 45s, Warm status 35s, Hot status 1s Storage temperature: -40 C -+85 C Working temperature: -20C - +55C Humidity: 5%-95% (non-condensing) Indicator Light Left power light is always on: Power on normal The middle GPS light flashes: Search for GPS signals The middle GPS light is always on: GPS signal on normal The right GSM light flashes: Search for GSM signal The righ GSM is always on: The GSM signal is normal and the card has been read Package List: 1 x GPS Locator 1 x Instruction Manual 1 x Data Cable 1 x Pack of Screws