The brightness is dimmable for this lighted bathroom mirror cabinet. By simply long press the touch switch to adjust the brightness. Both backlight and front light could be dimmable. 3 color temperature for option, warm light (3000k), natural light (4000k), and white light (6000k). Waterproof mirror rated for using in the bathroom. Fogless mirror with defog function, no worry about wiping the mirror down after a shower. The lighted bathroom mirror is already clean. Anti fog starts quick and one hour auto-off. Memory function helps remember the last setting that you’ve used, smart mirror, smart home.