A smoke stopper can help avoid damage when you power on a mini quad drone for the first time. Sometimes you might have a defective part or a short somewhere, the smoke stopper can limit the current flow and prevent “magic smoke” It saves your electronic components from current surges, and gives you a chance to troubleshoot the failure without having to replace the burnt-out parts. Check out all of our tools and our selection of iFlight gear! Features iFlight XT30/ XT60 Smoke Stopper ,Every quad/drone owner should have one Saves your electronic components from current surges The LED indicator turns solid green in normal situation The LED indicator turns off and starts beeping in abnormal situation Specifications Size(L x W x H): 42 x 32 x 11 mm Connector : XT30 & XT60 (Input and Output) Hold current 0.7A Trip current 1.2A Input Voltage: 7-25V (2-6S) Includes 1x iFlight Smart Smoke Stopper XT30 & XT60