Waterproof, dustproof, suitable for all weather sources. Powerful current life and built-in BEC output capability. High quality materials give it a strong current resistance. High-quality electronic components enhance the current durability of ESC. High quality replacement parts for the RC model. It is and for long-term use. Operating mode: positive and negative with pre-fabricated brake Motor rotation direction: positive rotation Start mode: level 4 Minimum forward strength: 7% Minimum backing strength: 7% Maximum backing strength: 49% Initial intensity: 5% Maximum strength: 100% force: 0% Neutral range: 3.3% Low voltage protection threshold: 3.1V Low voltage protection: yes Reverse maximum throttle stroke: 1.1ms Forward maximum throttle stroke: 1.9ms Synchronous rectification: off Battery: 2-3S lithium polymer / 4-9S nickel metal hydride BEC output: 5.8V / 3A Power plug: T plug male Motor plug: 4mm banana female plug Size: . 43 * 31 * 32 mm / 1.7 * 1.2 * 1.3 inch Options: 120A Colour:Photo Color Material:metal+plastic Package Contents: 2* brushless ESC 2* programming card 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.