Powerbox PBS-RPM 6623 Electric Props The Air Tractor comes with

The Air Tractor comes with realistic-looking LED landing

Supplied complete with mufflers

PowerBox 12V Car Adapter

Engines 55HZ Hyper

Its smaller displacement almost produces the same power with other 100~110 c

Powerbox PBS-RPM 6623 Electric Props The Air Tractor comes withPowerbox PBS RPM Product description Installation is quick and simple: the sensor lead attached to the PBS RPM is simply wound round one of the ignition systems high voltage leads. The field strength of the high voltage is sufficient to supply accurate rotational speed information to the sensitive detector in the PBS RPM. The unit can be used with all types of engine two stroke and four stroke. The PBS RPM is PlugnPlay for the CORE telemetry system,