The body of the device is waterproof of IPX7. You can use the device in the bathroom or places using water.
* The AC adapter is not waterproof.
Auto-Power Off
You will hear a beep in approx. 10 minutes after turning on the switch, and the power will be automatically turned off.
* With the face mode, you will hear a beep in approx. 5 minutes, but the power will not be turned off until about 10 minutes pass (a guideline time to use