How to change the insulating glass of Everycom R11 projector

Highlight of Everycom R11 projector * 1920*1080P full HD projector, support 4K decoding, 8000 lumens, built-in Android 9.0. * Support auto focus, automatic keystone correction, intelligent obstacle avoidance and intelligent screen leveling. * HDR10 makes the bright areas of the image brighter and the black areas darker. * Ultra-quiet, less than 30dB noise. * Maintenance-free, fully enclosed housing with two metal optical motor, LED life span is more than 50,000 hours. * Stereo surround sound, 2*5W custom speakers. * Support auto focus, auto keystone correction, intelligent obstacle avoidance and intelligent screen alignment. * 10000:1 contrast ratio, color will be better. * Support wireless mirroring function. The actual shooting effect is projected onto a white wall. More details:https://www.alibaba.com/product-detail/Everycom-R11-1080P-projector-wifi-projector_1600643243720.html?spm=a2747.manage.0.0.60a171d21L0j1r