Visualization of Sunscreen: The mirror has a built-in UV sunscreen test, so you can check the effects of sunscreen and check whether your makeup is clean. 
Easy to use: short press to adjust the light brightness, long press the UV test glass smart button to open the sun protection test glass
The image will vary from sunscreen: UV mirror makes your skin white when applied with chemical sunscreen. If you apply physical sunscreen, your skin will appear black on the UV mirror. The darker the color, the better the sunscreen
2X Magnification: This is a double sided mirror, the other is a double magnifier. You can see the details of your face, enlarge your makeup and make it more sophisticated