This thruster can be applied to 1/10 and 1/8 RC boat. It's the best choice for RC boat hobbyists. Features: Made of high-quality plastics and metal, it is durable and wear-resistant. Suitable for 1/10 and 1/8 RC boat. It can also be applied to 540-550 brush motor and 3650-3674 brushless motor. Designed for the sailing environment, especially in shallow water. Good maneuverability and able to turn or go back. Perfect for pushing the boat powerfully by reducing the affection of natural water flows. Specifications: Name: Thruster set Material: ABS+ Aluminum Color: black Pushing power: 8-10kg Thruster size: 10*5*4cm Pusher weight: 61g 3650 Brushless Motor size: 5*3.6cm Max operating speed: 50000 Motor weight: 149g Rated power: 820w Max Voltage: 18v Max current: 45A Plug: 4mm Male golden banana plug Package information: Size:15.2*14.9*5cm Weight: 346g Box package Package List: 1* Thruster 1* Brushless motor 1* Cooling tube 1* Other partsset NoteThere could be a few deviations due to manual measurement or slight color difference owing to photographing conditions. Thank you for your understanding.