The dimensions for the opening required for recessed installation：39 1/4×29 1/4×4 3/8“

A wonderful bathroom medicine cabinet with a backlit mirror that provides uniform and optimal bright lighting.  Bathroom medicine cabinet with mirror can eliminate harsh shadows and hot spots while you are tidying up, plucking, shaving, brushing your teeth, or putting on makeup. The dimming function allows you to better control the lighting and room atmosphere, making daily grooming more comfortable and easier than ever. The lighted mirror and medicine cabinet can adjust the shelves at will, bid farewell to the messy bathroom, and let it become the queen's private space. The rust-free aluminum construction is durable and moisture-proof, which makes it a wise choice for your bathroom.

What's Included?

3 adjustable tempered glass shelves

• Lighting Included
• Electrical Outlet Included
• Side Kit/Panel Included

Features

• Tri-color LED dimmable work light with touch screen button, color temperature adjustable from 3000K - 6000K, output from 70 lumens to 2250 lumens, depending on your cabinet style and size
• Designed to be waterproof with a defogger, makes it a high-quality life choice with no more foggy mirrors.
• In-cabinet outlets add convenience to the use of electric toothbrushes, razors, curling irons, etc.
• Included is mounting hardware for surface or recessed installation
• Quiet and noise free, with hinges designed to slowly open and close, providing you with safety and care.
• 3 adjustable tempered glass shelves are designed with reasonable partitions to fully maximize storage space.
• A high-quality, environmentally friendly copper-free mirror able to reflect the truest image