Description The Syn-tech 172405BL high-tech composite key is used with the FuelMaster Fuel Management System to control access to fuel and oil supplies. The Prokee has much more capability than outdated card systems and none of the drawbacks. Embedded in each Prokee is a programmable solid state memory chip. This chip allows storage of important information chosen by the system operator. Information such as mileage, hours in service, vehicle type, identification numbers, etc. may be encoded onto the keys and used in a variety of ways. The information may be read, erased, or updated at the discretion of the system operator. If a vehicle goes out of service, the information on the key may be changed and the key reissued to a new vehicle. The Prokee also makes it possible to track MPG and alert a driver whenever periodic maintenance is due. Key Features Prevents unauthorized access Tested to 1,000,000 cycles Fits on vehicle key chain Programmable, read/write memory Rugged construction Available in multiple colors!