Features: 1. Compatible with a variety of non-inductive brushless motor. 2. Made of high-quality materials, the ESC has strong resistance to current capacity. 3. With new program algorithm, excellent start effect, acceleration and throttle linearity. 4. Multiple protection functions: low voltage protection, temperature protection, throttle control protection and stall protection. 5. Software into the angle adjustment, no risk of damage to the motor or ESC. Specifications: Condition: 100% Brand New Material: Plastic Metal Electronic Component Optional Color: Blue, Orange, Black Fitness: for 1/10 RC Buggy Truggy Monster Truck Crawler for 7.2V, 7.4V, 11.1V Rechargable Battery Motor Diameter: 36mm / 1.4in Motor Length: 50mm / 2.0in Shaft Diameter: 3.175mm / 0.1in ESC Size: Approx. 36 x 32 x 18mm / 1.4 x 1.2 x 0.7inch Weight: Approx. 255g Package List: 1 x 540 Brush Motor 1 x 45A ESC 1 x Cooling Fin