Welcome to our store! Specially Designed Propellers: RC underwater propellers have specially designed propellers that can provide efficient and powerful thrust, allowing it to have excellent underwater power and impact performance to ensure higher work efficiency. Fully Waterproof Underwater Propeller: Waterproof treatment on rotor and propeller, can be fully submerged in water for normal operation. And it brings you a lot of convenience. Replacement Part: RC underwater propeller is a wonderful upgrade replacement for the broken or old one, and it can also help you better control your remote control boat. Scope of Application: RC underwater propeller is applicable to nesting boat, unmanned trawler, remote control boat, and duck boat. Applicable People: RC boat underwater propeller is preferred by knowledgeable model hobbyists and remote control enthusiasts. Item Type: RC Underwater Thruster Material: Steel, Copper, Plastic Color: As Pictures Shown Weight: Approx. 284g / 10.0oz Model: 545 50T Brushed Motor Blade Diameter: Approx. 48mm / 1.9in Motor Size: Approx. 13.8 x 4.5 x 4cm / 5.4 x 1.8 x 1.6in Lithium Batteries: 2-4S Lipo Working Voltage: 7.4V-14.8V Max Continuous Power (W)/10S: 160W Max Continuous Current (A)/10S: 10A Thrust: 700-1000G Length of Output Line: Approx. 800mm / 31.5in Connector: Approx. 3.5mm / 0.1in Application: Nesting boat, unmanned trawler, remote control boat, and duck boat 1 x Motor 1 x Allen Wrench 8 x Screw Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.