This pack includes: 1x Hall effect RPM sensor, set of screws and 2x Neodymium fan magnets. The sensor is shaped to fit Align nitro helicopters with provision for a governor sensor. The magnets are 4mm diameter x 2mm thickness.
Suitable for: Spartan Vortex and most other flybarless systems
![VoltGuard G3 [Clearance]](http://www.spartanrc.com/store/images/T/src-g3_t-01.jpg)
