This is a video showing you how to install a 1/5 scale kill switch on any RC 5th scale extremely important to have if you want to prevent a runaway or if your receiver battery gets low it will press the brakes on fully and turn off the motor or if you lose connection with your transmitter or receiver loses connection it'll turn the engine off and press on the brakes extremely smart decision have on a vehicles that weigh 25 plus pounds there gasoline powered as always thank you for watching the video very much appreciated this is part 1