High quality for professional use. Stable performance and long service life. Brushless motor is small in size and powerful in power. High-quality propellers, long-term use will not become brittle, resulting in blade fracture. High-quality bearings, prevent permanent bearing rust, high-quality blades, maximum diving depth of 2000 meters. Name: Brushless Motor Underwater Thruster Voltage: 12-24V Maximum current: 20A Power: 350W Motor: KV 300 Diameter: 69 mm Total length: 82 mm Propeller diameter: 60 mm Outlet length: 20 cm Color: Black + green Material: Nylon + PC + Stainless steel + Aluminum alloy Package Contents: 2 x Propeller (CW + CCW) Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.