DescriptionOrigin : CN(Origin)Material : Composite MaterialRecommend Age : 7-12yRecommend Age : 12+yRecommend Age : 18+Certification : NONERecommend Age : 12yTool Supplies : Assembly CategoryModel Number : ESCFourwheel Drive Attributes : MotorsOne Shot 125 is supported.Excellent stall protection function.Smaller size and lighter weight design.Specially optimized firmware for disc motors with excellent compatibility.A program specially designed for multi-rotors, the throttle adjustment and response are quick during flight.The firmware has strong self-adaptive ability, and retains four kinds of setting items for the advance angle. It is extremely easy to use, taking into account the stability and battery life.It can support throttle signals with a refresh rate of up to 500Hz, and is compatible with various flight controllers (Note: Throttle signals greater than equal 500Hz are all non-standard throttle signals).Excellent blocking protection to protect equipment and personal safety. Abnormal start protection, overheat protection, throttle signal loss protection, low voltage cut-off, protection, etc.size:45x21x7mmMaterial:heat shrink tubecolour:BlackPackage Contents:1 * 40A BLDC ESCOnly the above package content, other products are not included.Note: Light shooting 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.