Dual Plus Alarm Setting You can set either two or three alarms to better wake you up. One for you and the other for your families. Forever Say No to Delay. ^ Stylish appearance and multiple functions make it suitable as a gift for children^ Multiple brightness levels adjustable - Allows you to adjust from low to high brightness or even turn off the LED light and keep it sound sensitive. It& 39;s easy to use at night, which isn& 39;t too harsh on your eyes.^ Temperature and humidity detection: With temperature and humidity sensor, it can monitor the indoor temperature and humidity. Just like a companion to protect your health.^ Power cord operated This watch is powered by a USB-to-Lass power cord. *** Not battery operated ***