Feature:1. It has stable performance and is constructed with high-quality components to ensure true rated current processing and efficient operation.2. With waterproof performance, it can adapt to various climatic conditions and has a wide range of use.3. The water-cooling method cools quickly for a good effect, it has a long service life and is very convenient to use.4. It comes with a limited range of programming functions and is designed to be plug and play.5. Containing UBEC output, it is a perfect ESC for those looking for something simple to use and economic.Specification:Item Type: 80A Brushless Water Cooling ESCMaterial: Aluminum Alloy + Rubber + Electronic ComponentsProduct Color: As Pictures ShownProduct Weight: Approx. 83g / 2.9ozContinuous Current: 80APeak Current: 95ABEC Model: SwitchBEC Output: 5V/5AInput: DC4.5-6VRecommended Batteries: Li-ion/Lipoly2-7sNi-MH/Ni-Cd 6-20NIMHApplication: For RC Boat .Package List:1 x ESC1 x Manual Note:1. The delivery does not include drone.2. Please allow 1‑3mm error due to manual measurement. Thanks for your understanding.