the safety of your RC drones with the for Smoke Stopper, featuring both XT30 and XT60 connectors. This device is designed to prevent electrical overloads and short circuits during the initial power-up, making it an essential tool for any drone enthusiast. Compatible with 1-6S battery setups, it is perfect for a wide range of drones including FPV racers, freestyle, Tinywhoop, Cinewhoop, and 5-inch drones. Compact and easy to use, the for Smoke Stopper is a must-have for protecting your valuable equipment and ensuring uninterrupted flying sessions. How to use it: Normal: led light on There is a short circuit: the light does not shine Disclaimer: This is just a fuse. Something may still break by the time the fuse trips. It 't protect against all kinds of damages, but it's still way at all! Note:the words are slightly different, and the color difference in kind is slightly, which does not affect the use. Colour:Yellow Material:Hardware+plastic Package Contents: 1 * for Smoke Stopper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.