Model : GPS403A/B Difference between A/B model : 403B has remote controller, 403A model don't have. Applying directions:Personal, Motorcycle, Vehicle. Technical specifications: Size: 9.6 X 5.3 X 1.8cm,70g Networks: GSM/GPRS/LTE 2G :1900/1800/900/850 MHz 4G :B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B40 GPS sensitivity: -165dBm GPS accuracy: 5m Time to first fix: Cold status: 45 seconds Warm status: 35 seconds Hot status: 1 second Car charger range: 12-24V Battery: chargeable 3.7V/350mAh Li-ion Storage temperatures: -40 to +85°C Operating temperatures: -20 to +70°C Humidity range: 5-95% RH (non-condensing) GPS403A include : GPS unit ,harness cable, microphone ,relay ,manual ,box GPS403B include : GPS unit ,remote controller,harness cable, microphone ,relay ,manual ,box