Features 1、100A water‑cooled brushless electronic speed controller is suitable for RCship model. 2、Made of aluminum alloy, rubber and electronic components, it is durable and has a long service life. 3、Water cooling is fast and has good effect. With waterproof function, can adapt to all kinds of climate conditions. 4、The product includes UBES output, which is 5V / 5A. With programmable function, plug and play. 5、Simple design, compact and delicate, easy to carry, simple operation, easy to use. Item Type: 100A Water-Cooled Electronic Speed Controller Material: Aluminum Alloy + Rubber + Electronic Components Weight: Approx.94g/3.3oz ESC Size: 95x40x15mm/3.7x1.6x0.6in Continuous Current: 100A Peak Current: 120A BEC Model: Switch BEC Output: 5V /5A Intput: DC4.5-6V Recommended Batteries: Li-Ion/LiPoly2-7S, Ni-MH/Ni-Cd 6-20NiMH Application: RC Ship Model Package List 1 x Electronic Speed Controller 1 x Instruction Book