Fully waterproof design for all conditions. (Note: please clean and perform maintenance after use for avoiding corrosion); Advanced electronic switch and Bluetooth two-in-one module, Support real time operating parameter and status via the ISD Go APP. Built-in BEC with adjustable output features; outputs continuous current up to 3A, and support 5V to 7.5V with 0.1V adjustment via ISD Go APP. Support powerful rc applications and high-voltage servos. Adjustable PWM frequency and advanced synchronous function provide perfect throttle curve and outstanding performance for dierent vehicles, conditions. Adjustable Active drag brake function and adjustable Brake force or initial . Slope anti-skid locking function specially designed for RC Crawler that characteristics operating on toughest terrain. Multiple protection functions: battery low voltage protection, over temperature protection, throttle out of control protection, BEC overvoltage and undervoltage protection Stepless adjustment of throttle and brake curve Customizable start tone OTA upgrades firmware and updates functions in time Ramp anti-skid locking function designed for climbing car Continuous/ Current: 70/120A; Support Motor Type: 540/550/775 Brushed Motor; Applicable Models: 1/8 Or 1/10 Models (Parameters Can Be Adjusted); Battery Type: 2~3S Or 6~9 Cell NiMH; BEC Output: 5V~7.5V Adjustable (Step 0.1V); Colour:As Shown Material:ABS+metal Package Contents: 1 x Smart Governor 1 x bluetooth switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.