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, permanently prevent bearing rust, high-quality blades, maximum diving depth of 2000 meters.Name: Brushless Motor Underwater PropellerVoltage: 12-24VMaximum Current: 20APower: 350WMotor: KV 300Diameter: 69 mmTotal Length: 82 mmPropeller Diameter: 60 mmOutlet Length: 20 cmcolour:Black+greenMaterial:Nylon+PC+Stainless Steel+Aluminum AlloyPackage 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.