1Simple design, light and compact, easy to carry and use, convenient and practical. 2Made of aluminum alloy, rubber and electronic components material, with strong toughness, sturdy, durable and long service life. 3Brushless electronic speed controller ESC with UBEC and UBEC output is 5V/5A. 4Water cooling fast, good effect, waterproof, adapt to all kinds of climate conditions. 5With programmable function, plug and play, watercooled brushless ESC is suitable for RC boat. Item Type: 125A Water-cooled ESCContinuous Current: 125APeak Current: 150ABEC Model: SwitchBEC Output: 5V/5AInput: DC4.5-6VWeight: Approx.99g/3.5ozMaterial: Aluminum Alloy + Rubber + Electronic ComponentsRecommended Batteries: Li-ion/Lipoly2-7s, Ni-MH/Ni-Cd 6-20NIMHApplicable to: RC Model 1 x ESC1 x Manual 1. Please allow 01 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.