Rechargeable motorized hollow shutter glass

Hollow shutter glass is a product which installs aluminum blinds into tempered insulated glass. The user can control the remote to adjust the blind slats to make glass be full shade, semi-transmit light. The product will take its energy-saving and shading effect into full play when combining with aluminum or plastic steel doors and windows system.

https://www.fmblinds.com/Remote-Control-Aluminium-Alloy-Miniblind-Glass-with-Battery.html