Accessories and Parts -Electric Speed Controller Highlights Generic Brand Electric Speed Controller Description: Pre-flashed with BLheli and ready to use with Oneshot mode (aka oneshot125 / PWMsync) via compatible flight controllers using Cleanflight or similar 30A ESC uses Silabs CPU and fast dedicated driver chips, providing excellent freewheeling and braking capabilities This ESC has all the performance you expect and the same tiny size as the DYS BL30A. This ESC allows your motors to respond to throttle much quicker, resulting in more stable flight, and higher throttle drop response These ESCs do not have a BEC, you will need to provide 5V power to your controller flight with a UBEC voltage regulator or step-down device. Specification: Input Voltage: 2-6S Lipo BEC Output: Non Continuous Current: 30A Burst Current: 35A up to 10S Firmware: BLHELI Support Damped mode, Oneshot125 Main IC: SILABS MOS: ALL N FET, AOS COMPANY Board sizes: Size: approx. 22 x 13 x 4mm / 0.87 x 0.51 x 0.16inch Package includes: 1 piece 30A BLHeli_S ESC Note: Please allow 1-3mm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!