RC Brushless Motor ESC Set Waterproof Programmable Motor Electronic Speed Controller Set for Traxxas 1/12 Cars 4400KV Item Type: Motor Electronic Speed Controller Set Material: Aluminum Alloy, Plastic, Stainless Steel Motor Parameters Shell Material: Aluminum Alloy Color: Red Motor Size: Approx. 47 x 28mm / 1.85 x 1.1in Power: 800W Maximum Speed: 50000 Number of Rotor Poles: 4 Shaft Length: Approx. 13mm / 0.51in Shaft Diameter: Approx. 3.175mm / 0.13in Connector: Approx. 3.5mm / 0.14in gold Electronic Speed Controller Parameters: Continuous Current: 35A Peak Current: 120A (10 seconds) The Product is Suitable for Batteries (Excluding): 2 to 3 cells Lipo, 4 to 9 cells NiMH Electronic Speed Controller Size: 40 x 35 x 20mm / 1.57 x 1.38 x 0.79in mm (excluding cables) Motor Connector: Approx. 3.5mm / 0.14in Applicable: For Traxxas, for HSP and other brands 1/12 remote control vehicles