Specification: 100% brand new with high quality Material: Synthetic Material Size: Approx.25 x 23 x 5mm/0.98 x 0.91 x 0.2" Weight: Aprox.13g (with line) Quantity: 1Pc Current Parameters: Forward 30A Instantaneous peak 40A Back 20A Brake 40A UBEC Output: Voltage 5.7V, Current 1A (Supply receiver, servo power) Voltage support: 4 ~ 8v can be directly on the 2s lithium (7.4V) Function: forward, reverse, brake Easy to install, durable. High-quality metal casting. Lightweight, small size, easy to carry. Tips: JST header by default, with a switch. Wiring: Battery (must dividends positive black and negative) Motor (regardless of positive and negative) Black red and white third-line -> receiver CH2 (usually black by the outside, white by stickers) Adjustment: ESC is set in the middle of the range, the new control generally need to fine tune the throttle. The ESC does not light, is the median, throttle trim is controlled TH TRIM.