The Aerostar Automatic Advance Ignition System is a compact, lightweight and reliable unit for single cylinder gas engines. It features a very wide input voltage, 4.8~15V so it is very versatile but best results have been found using a 7.4V LiPoly battery. The unit is suitable for a rev range of 0~16000rpm with a working current of 380mA @ 9000rpm. The set is quite complete and includes the CDI unit, hall sensor, 2 x mounting brackets with screws, sparkplug cap (suits CM-6), battery lead, spiral wrapping, connector clip and instruction manual.