Application: Knee Care

Compatible with a wide range of FDM 3D printers

Pool shape: inflatable square

Perfect Focal Length  - 360mm Aperture: 50mm

Bottom plate material: plastic

BO105 Four Way Single Blade without Ailerons, C186 Helicopter, RC Toys Color:Grey Main Seat Remote Application: Knee CareProduct Information: Product Material: PA PC Product color: orange gray Product specification: rotor diameter 25. 6cm, body length 23. 5cm, height 8. 1cm Product body battery: 7. 4V 350mah lithium battery Remote control battery: 1. 5V "AA" * 4 (to be purchased separately) Remote control distance: 80 100 meters Remote control time: 15 minutes Charging time: 60 minutes Function description: 1. No aileron design, using aerodynamic principles to design