1.First Hardware Synchronous Rectification Esc 2. Using F396 High-Performance MCU 3. Support Online Upgrade Of Steering Gear Line 4. Support Active Breaking/ Oneshot125/Multishot Ready 5. Optimized Startup, Support Hardware Synchronous Rectification Technology, Active Freewheeling, Faster Brake Response, High Integration, Low Heat Generation, High Efficiency, Better Effect Than Software Synchronous Rectification On The Market, It Is The First Blheli-Based Blheli On The Market Hardware Synchronous Rectification ESC The Number Of Lithium Battery Cells Supported: 2S-4S ( F396) Continuous Current 30A, Instantaneous Current 40A Without BEC Use Blheli Open Source Program (V14.2) Hardware: Optimized Startup, Supports Hardware Synchronous Rectification Technology, Active Freewheeling, Faster Brake Response, High Integration, Low Heat Generation, High Efficiency, Better Effect Than Software Synchronous Rectification On The Market, Is The First On The Market Based On Blheli'S Hardware Synchronous Rectification Esc, Supports Active Breaking/Oneshot125 Servo Line Upgrade Colour:As Shown Material:plastic Size: 24.5 x 12.5 x 5mm Package Contents: 1 x Built-In Transparent Heat Shrink Tube 1 x 80mm Motor Wire 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.