2pcs 4-inch Mini Projectors Picture Yellowing Maintenance LED Projectors General Heat Insulation Glazing

modname=ckeditor 4-inch mini projector high-definition heat insulation and brightening glass also called polarized glass, polarized heat insulation sheet, with a general size of 96 x width 60 x thickness 1.2mm, is suitable for domestic 4-inch screen projectors. It has the functions of heat insulation, brightening, and polarization. The brightness of the affixed brightening film is about 15 higher than that of the non affixed brightening film the data is for reference only, see the reflection efficiency of the concentrator funnel for details, which is made by the original factory, with high temperature resistance, high heat insulation efficiency, and image transparency, [...]