Brand N/A Model AT-18 Quantity 1 Set Material ABS Color Black Network GPSGSMGPRS Band 85090018001900 SIM Card Qty. one SIM Emergency Phone Number Qty. 3 Tracking Information Method SMSGPRSMonitoring and Controlling Platform Supported Languages English GPS Chip UBX-G7020(Support GPS/Glonass/Galileo/Compass) GPS Sensitivity -162dBm GPS Channel 56 Position Accuracy Altitude Limit 18000 m Time to First Fix 32 s Hot Startup Time 1 s Warm Startup Time 3 s Cold Startup Time 32 s SOS No Geo-fence Yes Vibrating Alerts No Remote Monitoring No Engine Cut Off Yes Realtime Monitoring Yes Track Playback Yes ACC Anti-Theft No Overspeed Alerts Yes Low Battery Alerts Yes GPS Blind Area Alarm No Voice Call No Waterproof Function Yes Waterproof Grade Average Power Supply 24~75V Battery Capacity 50 mAh Working Humidity 5~95% non-condensation Working Temperature -25~70 ℃ Installation Location Front rear wind shield window or dash board; avoid installation under metal. Other Features It can text longitude and latitude to cellphone so that you can find the position on a map or upload positioning data via GPRS to specific server so that you can track real-time position and historical route on the internet. Packing List 1 x Tracker (95cm) 1 x CD