iFlight ipeaka 4PCS V2 Mini 20A ESC 2-4S Support oneshot125 for FPV Racing Quadcopter Multirotor QAV250 ZMR180 QAV-R 220 Compatible The closest performing ESCs to KISS, silabs processor and fast dedicated driver chips enables excellent freewheeling and exceptional braking Iflight ipeaka 20A ESC features quick response by using Oneshot125 and Damped light mode, Oneshot125 allows the FC to send control commands to the motor quicker, damped mode allows y motors to respond to throttle decreases much quicker, thus enable more stable flying and higher response to throttle decreases. Capable of running 2s and 4s setups, LittleBee can work with up to 20A continuous load, and 25A peak (10s). Super Mini size and weight, only 0.24OZ with wire and connector, enabling your builds to be even smaller and lighter Reflash with BLHELI lastest firmware to unleash it's full potential, customer can reflash the newest firmware using the 3pin connector and suitable USB adapter