Simple Configuration: Easy to set 3 sets alarms and adjust the brightness of LED display. Best alarm clock for heavy sleeper. Monitor Temperature and Humidity: Monitor temperature and humidity in kid’s room, bedroom or living room. So that you can adjust your thermostat or humidifier to maintain a perfect living environment. USB Power Supply: The updated new version is only powered by USB charger (Adapter not included). Any 5V/1A or above adapters will work with the digital alarm clock. No Disturb: The LED clock has 3 levels of brightness with premium quality of lighting. You can choose the most comfortable brightness for your eyes. The digital clock has sound control function. Any tap and sound over 60 dB within close distance will wake up the LED alarm clock. The display will auto off after 10s, which won’t bother you while sleeping at night. You can set switch off the sound control by press "DOWN": "on:SD"(works) "--:SD"(closed). Pure Wood Housing: The digital alarm clock comes with pure wood housing and looks aesthetically appealing. Perfect decoration for offices, living rooms and bedrooms.