Feature: 1. Integrated Design: The brushed ESC has an integrated design, built in capacitors, which are waterproof and dustproof, suitable for various weather environments 2. 3 Operation Modes: The 320A ESC has three operation modes, forward rotation, forward rotation brake, reverse rotation mode, forward forward reverse mode, and forward rotation forward rotation brake mode 3. Durable Material: The RC boat ESC is made of copper, plastic, electronic components, rubber material, which has strong resistance to current 4. Strong Output: The RC brushed ESC has strong output ability, can automatically calibrate the throttle stroke, easy to use and suitable for novice players 5. Protection Function: The RC boat accessories has a number of protection functions such as lithium battery low voltage protection, overheat protection, failed safe, etc 6. Convenient and Practical: The brushed ESC speed controller uses switches to set electrical settings, and the adjustment parameters are simple and easy to understand Specification: Item Type: Brushed ESC Material: Copper, Plastic, Electronic Components, Rubber Forward: Continuous Current, Maximum Current: 60A ESC Reverse: Continuous Current, Maximum Current: 45A 200A Input: 2 to 3s lipo, 5 to 9 Nimh Battery Motor limit: NiMH Lipo or 5 to 6cells, 2s: 540 or 550 Motor Size, RPM<30000 at 7.2V NiMH Lipo or 7 to 9cells, 3s: 540 or 550 Motor Size, RPM<20000 at 7.2V Resistance: Forward 0.001Ω Reverse 0.0012Ω Built in BEC: 3A 5V (Linear Mode BEC) Operating Mode: Forward, Brake, Reverse Mode Forward and Reverse Mode: Front Brake Applicable Models: Boat Product Size: Approx. 20 x 31 x 28mm / 0.8 x 1.2 x 1.1in. Package List: 1 x Brushed ESC 2 x Strap Note: 1. Manual measurement, allow 1 to 3mm/0.04 to 0.12in error2. Due to the difference between different monitors, the picture may not reflect the actual color of the item