Digital Alarm Clock, with Wooden Electronic LED Time Display, 3 Alarm Settings, Dual Temperature & Humidity Detect, for Desk, Bedroom, Bedside Kids, no Batteries Needed. Dual+ Alarm Clock - Updated Verion of 3 alarms setting. 3 Alarm for different times. Forever say NO to DELAY. Also, it allows you to set weekday mode, which will ring only on Monday to Friday while quiet on weekend. Say no to weekend alarm and keep enjoying your sleep. Natural Green Lifestyle Design - Morden design combines with natural wood, you can feel low-carbon lifestyle at home. It would be a perfect accesorries to your bedroom. 3 Brightness Level Adjustable - 3 level brightness adjustable. (L3&gt;L2&gt;L1) Bightness goes down automatically on 18:00~7:00 for eyecare. It's user friendly at night, which wont be too harsh for your eyes. Temperature & Humidity Detect - With pre-set temperature and humidity sensor and display for the air. Just like a friendly companion to protect you from getting cold. Dual power supply Option - This clock can be charged either with a USB cable or powered by 4 AAA batteries (not included). Mostly batteries are not needed when you use it at home.