The electric regulator has high performance price ratio, adopts high-performance and low-power AVR 8-bit ATmega168 Series MCU, and the maximum working frequency is 20MHz; & 9679; suitable for driving all kinds of three-phase brushless motors on the market, especially for remote control ship models; & 9679; support the maximum 210K erpm speed of brushless motor; & 9679; the starting acceleration can be set, the throttle response speed is fast, and has a very stable speed regulation linearity, which is suitable for various model ships; & 9679; it has a variety of protection functions: low voltage protection, over temperature protection, throttle signal loss protection, locked rotor protection, etc. Better protect the normal and safe use of the equipment; & 9679; automatically identify the number of battery cells, and the low-voltage protection threshold can be set to meet personalized requirements; & 9679; good power on safety performance: when the power is turned on, the motor will not be started immediately regardless of the throttle position of the remote controller; & 9679; cycle menu setting, simple operation, compatible with all remote control operation settings and support programming card settings; & 9679; built in BEC with steering gear, high load power and low power consumption; & 9679; glue filling and waterproof, supporting short-term immersion work (please dry it after immersion to avoid product damage); & 9679; aluminum alloy water cooling and heat dissipation system, which can effectively slow down the temperature rise; QX motor 50A marine brushless ESC 1.Continuous output current: 50A 2. BEC type: linear mode 3. BEC output: 5.5v/5a 4. Input: 2-6s Lipo 5. Weight: 107g 6. Inner diameter / outer diameter of water cooling nozzle: & 1060; 3.0 /& 1060; 5.0 7. Dimension (including the length extending out of the water cooling nozzle):86x38x22mm 8. Application: suitable for hull with length < 55cm QX motor 70A marine brushless ESC 1. Continuous output current: 70A 2. BEC type: linear mode 3. BEC output: 5.5v/5a 4. Input: 2-6s Lipo 5.Weight: 111g 6. Inner diameter / outer diameter of water cooling nozzle: & 1060; 3.0 /& 1060; 5.0 7. Dimension (including the length extending out of the water cooling nozzle):86x38x22mm 8. Application: suitable for hull with length < 70cm QX motor 90A marine brushless ESC 1.Continuous output current: 90a 2. BEC type: linear mode 3. BEC output: 5.5v/5a 4. Input: 2-6s Lipo 5.Weight: 118g 6. Inner diameter / outer diameter of water cooling nozzle: & 1060; 3.0 /& 1060; 5.0 7.Dimension (including the length extending out of the water cooling nozzle):86x38x22mm 8.Application: suitable for hull with length < 100cm QX motor 120A marine brushless ESC 1.Continuous output current: 120a 2. BEC type: linear mode 3. BEC output: 5.5v/5a 4.Input: 2-6s Lipo 5.Weight: 170g 6. Inner diameter / outer diameter of water cooling nozzle: & 1060; 3.0 /& 1060; 5.0 7.Dimension (including the length extending out of the water cooling nozzle): 113x45x22mm 8.