1Made of highquality materials, waterproof and dustproof, durable for has a long service life. 2Specially designed for remote control car with excellent starting, acceleration and linear characteristics. 3Brushless electric speed controller compatible for 1/16 1/18 1/20 RC car. 4Multiple protection functions, lowvoltage cutoff protection for batteries, overheating signal loss protection, motor stall protection. 5Strong current resistance, excellent heat dissipation, easy to program and compatible with pocket program cards. Condition: 100% Brand New Item Type:25A Waterproof ElectricSpeedController Material: Plastic+Alloy Color: Red Black Product Length: Approx.40mm/1.6in Product Width: Approx.32mm/1.3in Product Height: Approx.15mm/0.6in Weight: Approx. 57.0g/2.0oz Name:25A ESC Continuous Current: 25A Maximum Current: 100A Motor Type: Sensorless and Brushless Motor 1. on-road: KV 1 x 25A Waterproof ElectricSpeedController 1 x Manual 1. Due to manual measurement, please allow an error of 13mm/0.04012in. Thank you.2. The monitor calibration is inconsistent, and the color of the item shown in the photo may be slightly different from the actual object. Please refer to the actual one.3. Before using this esc in water, please remove the cooling fan; clean and dry it immediately after use to prevent the connector from rusting.