Features: Experience precise maneuverability with this /CCW underwater propulsion systems , featuring a 12 24V brushless motor and strong plastic construction for high performances boat upgrades. The modular design enables tool easy installation while easy carry plastic/ABS materials secure erosion resistant durability and reduced noise output during operate . Designed for boat enthusiasts seeking enhanced control in competitive racing or recreational pond navigation, suitable for 1 10 to 1 20 scale models. main tight turn during speed challenges, explore lakeside currents, or execute smooth backward maneuvers in backyard pools with double direction thrust capabilities. Optimized for extended runtime and minimal maintenance, its waterproof brushless motor delivers consistent power output across electric ranges while resisting marine debris effect . Specifications: Component : plastic Diameter: about 75mm/2.95inch Voltages: 12~24V Package Includes: 1 set double Propeller note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.