Feature: 1. Strong Current Resistance: 30A brushless ESC has strong current resistance. Continuous current 30A and short time current 40A (not less than 10 seconds). 2. Multiple Protection: Brushless ESC has abnormal input voltage, battery bottom voltage, overheating, throttle signal loss protection, etc. 3. Starting Mode: This Brushless ESC has normal, soft and super soft three starting modes, compatible with fixed wing aircraft and helicopters. 4. Easy To Use: The ESC can set the throttle stroke, compatible with various remote controls, with stable and delicate speed control feel. 5. Universal Design: 2‑3S speed controller with 5V 2A BEC, with premium speed regulation linearity, universal for most aviation models. Specification: Item Type: Brushless ESC Material: Silicone, Copper, Electronic Components Output Capacity: 30A Continuous Current, 40A Short Time Current (Not Less Than 10 Seconds) Power Input: 2-3 Lithium Battery Packs Or 5-9 NiMH BEC Output: 2A 5V BEC Type: Linear Voltage Regulator Application: Aviation Model. Package List: 1 x Brushless ESC1 x Instruction Manual Note: 1. Manual measurement, please allow 0.04‑0.12in error.2. Due to different shooting lights, and differences between monitors, the picture may not reflect the actual color of the object. Please make sure you don't mind before ordering, thank you.