AstronomicalPlanetarium It's a professional planetarium. Domediameter: from10 m to40 m Domestructure: 180 degree hemisphere Domematerial: metal framework, aluminium panel, interior pinhole panel (diffuse reflection treatment on the surface) Anti-rain Standwith strong wind: grade 13 Content: Projector Sound System Software Movie Computer Fish-eye lense or Wide-angle Lens Professional astronomical software and dome program Minimum order quantity: 1 set Do not hesitate! Contact with Ms Kelly Wang for thisplanetarium at 86-133-7606 4633 or 86-13851445020 Warmly welcome to visit our factory!