Product Name: 20*20*20mm RGB Dispersion Prism X-Cube for Physics Teach Decoration Art Customized: Customized Lenses Color: Clear Material: Optical Glass Shape: Square Transmittance: >95% Usage: Lighting, Photography, Teaching Dimmension Tolerance: -0.1 Surface Quality: 60/40 Size: 20*20*20mm Trademark: Realpoo Transport Package: Protective Packing Specification: 16*16*16cm Origin: Cn HS Code: 9001909090 Product Description The X-cube prism can split white light to red, green, blue light. And combining red, green, and blue light to white light. Because thischaracteristic ,it is an important accessory on the projector.Application:GiftPhotographyEducationDecoration ArtWe have different size for your choosing:5*5*5mm ; 8*8*8mm ; 10*10*10mm ; 12.7*12.7*12.7mm ;15*15*15mm ; 18*18*18mm ; 20*20*20mm ;23*23*23mm ;25*25*25mm ; 30*30*30mm ; 34*34*34mm ; 40*40*40mm ; 50*50*50mm. AdvantageGood optical qualityPortable designLow costFast delivery