Welcome to our store! This 30A Brushless ESC is specially designed for FPV multicopter quadcopters. Features: Supports Dampened, Oneshot125, Oneshot42, and Multishot modes. Uses low and high-side Nfets (4 in package). Easy and convenient installation; reliable and durable. Great replacement for old or broken units; direct fit. Specifications: New Item Type: ESC Material: Electronic Components Color: Black Input Voltage: 2-6S Lipo BEC Output: None Continuous Current: 30A, Burst Current: 35A to 10S Size: Approx. 35 x 18 x 5 mm / 1.4 x 0.7 x 0.2 inches Weight: 9 g / 0.3 oz (approx.) (including power and signal wires) Main IC: SILABS EFM8BB21F16, MCU runs at 48MHz Switching speed is very fast, with a dedicated driver chip BLHeli_S Bootloader & Firmware Package Includes: 4 x ESC Customer satisfaction is our top priority. If you encounter any issues with your product upon receipt, such as damage or incorrect quantity, please contact us immediately. We strive to provide the best after-sales service.