Its simple two-wire installation makes the Direct Powered Transponder the most popular choice for drivers. Once installed on a car with a 12-volt charging system, there is no maintenance or upkeep to worry about. Drawing less than 40mA, the DP Transponder will not have any affect on power to the car’s other vital electronics.

The new style TranX260 Rechargeable Transponder is an excellent choice for drivers who race different cars in different classes throughout the same weekend. With an additional holder and clip for the second car, the transponder is easily moved back and forth. The Rechargeable Transponder is also the choice for drivers whose cars have 6-volt charging systems. Kit includes a holder and clip, charging cradle, AC and DC power adapters.