Features: Selected Material: The brushless ESC controller with selected metal & plastic material, waterproof and benefits for stable operation, serve you remarkable DIY toy experience. Wide Range Compatible: All new waterproof ESC could compatible with the scaled RC car/crawlers/off-road, RC boats, high-voltage electronic speed controller with wide range applications for remote control toy, Main Technical Specification: Power supply 2-4S LiPo battery, 4-9 NiMH battery, Transient-Current can upto 760A,BEC: 5V/3A, high-toque, small but powerful that can meet to the requirements of most RC car & RC boats. Waterproof RC ESC: The waterproof design which stable to control your motor even on the toughroad without break down, the durable receiver and switch wire provide flexibility performances,strong heat fan with perfect heat performances, low-voltage protections. Easy to Assemble: The ESC easy to assemble, make all the wire to connect with the right devices of your RC car, durable and energy-saving, which also stable and lasting the motor performances, we would like to offer instructions if any further requirement. Specifications: Material: Metal, Plastic Product Dimension: As pictures shown BEC Output: 5V/3A Constant Current: 120A Transient-Current: 760A Power Supply: 2-4S LiPo battery, 4-9 NiMH battery Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Brushless Motor ESC for RC Car Boats Toy