The reciever strong box is absolutely essential fo anyone who flies R/c.
All you have to do is put your reciever inside the box and your reciever is protected against most crashes.
(Remember that sometimes nothing is going to help!) Can be used for 35 & 2.4g receivers.
Compass Model 2x10mm Grooved Pin Set (4pcs)
This is a replacement Compass Model 2x10mm Grooved Pin Set, and is intended for use with the Compass 7HV helicopter.
Crius All In One PRO Flight Controller V2.0 Support MegaPirateNG and MultiWii
Flight mode for Multiwii