Our production is developed and used as a solution for the control of level, consumption and rest of fuel in the tanks of vehicles, tractors, road-building and construction machines, diesel generators, as well as to control the volume of fuel in the cisternas and other stationary tanks. Fuel volume sensors (gauges) "Strela" are supplied by our company in more than 30 countries around of world. Usage of "Strela" fuel volume (level) sensors allow users to receive relevant information about the movement and balance of fuel by their own fleet or by fleet of their client. The main applications of sensors - usage them as an option for the satellite tracking systems (GPS AVL systems) for vehicles. There are different types of interfaces of "Strela" sensors: voltage 0-5V, 0-7V or 0-10V output, frequency output of 500-1500 Hz., interface RS232 or RS485 with data communication protocol "omnikomm" and MODBUS. That allows use our sensors as an option for any GPS equipment. The client gets the possibility apart the standard reports also receive real-time data about the fuel rests, fuel consumption, fillings and drainings of fuel on all their cars.