Waterproof Brushless ESC 2-Way 100m Underwater 24V 90A Aluminum For Submarine. 90A one drag two brushless underwater propeller ESC specifications. Length Width Height = 82MM 60MM 35MM. Power end: red is positive, black is negative; length is 100MM. Motor connection end: Three black wires are connected with the three wires of the brushless propeller, regardless […]