CDI input: 6~13V; CDI output: 5.2V / 0~5A; Integrated CDI remote flameout switch making flying safer; Independent CDI power supply socket. Receiver power completely separates with the CDI power so you should not worry about that CDI arouses high frequency signal will interfere the receiver; 2~3S lithium or the A123 directly to the battery power supply can be used directly; The UBEC / CDI function only need to CDI output short circuit the cap is inserted into the can when UBEC use using switch channel of the remote control to control the CDI (usually use the fifth channel); Pair of brown led display the receiver's supply voltage (4.8V or 6V can be set free) it can effectively avoid receiving power shortage in the control; The unique low voltage police maintain order when the working electricity is large and the voltage is for less than 4.2V or 5V (being survey in 6V) with 3 seconds the red led light will sharp all the times until the user changes the battery or the battery in charge.