Dual LED lights indicate the input and output power status.
Applies to lithium, nickel metal hydride, nickel cadmium, A123 and other battery powered directly.
Can be used for other purposes such as: control pull smoke detectors, retractable landing gear, ignited fireworks, etc. Complete isolation between the receiver and the CDI power supply, do not worry about the high-frequency signal interference generated receiver.
Size: 30* 24* 9mm