Item Name: Brushless ESC RC Accessories Electronic Speed Controller For RC 1/16 1/18 1/20. Motor type. Sensorless brushless motor Size: 40x32x15mmContinuous current/burst current: 25A/100AApplicable models: 1/20 1/18 1/16 carBEC output. 5.0V/2A (analog mode)Name: Remote Control KK 25A ESCWeight: 67gResistance. 0.0014 OhmBattery: 2S Lipo/4-6Cells NiMHFeatures.1. Waterproof and dustproof, suitable for all-weather racing (Note: Please remove the cooling fan before using this ESC in water please clean and dry it as soon as possible after use to avoid rusting of the connectors)2. Specially designed for RC cars, with good starting, acceleration and linearity characteristics.3. Compatible with sensorless brushless motors.4. Strong current resistance and good heat dissipation.5. Multiple protection functions. Low voltage cut-off protection for lithium or nickel batteries/overheating protection/signal loss protection/motor blocking protection.6. Easy to program, compatible with pocket program card. Package included.1 * Waterproof 25A ESC Notes.1.1cm=10mm=0.39inch2. Please allow 1-2cm error due to manual measurement. Please make sure you don't mind before