LOUD ALARM CLOCK - Up to 95dB loud buzzer volume, which is suitable for heavy sleepers, adults, teens and kids. BOTTOM ATMOSPHERE LIGHT - The bottom night light of this bedside clock is dimmable and also color changing. ALARM CLOCK WITH USB CHARGER - Boasting USB charger port to support DC 5V/1A Standard output, which can safely charge your bedside digital devices. BATTERY BACKUP - Help to preserve time in case of power outage. ADJUSTABLE SNOOZE - You can easily set your desired snooze time from 1 minute to 15 minutes. 12/24Hr TIME FORMAT - One key easy to switch 12/24Hr time format. FOR TEENS AND KIDS - Maybe all teens and boys will love the dynamic RGB atmosphere night light. It is really cool to put it in the bedroom. ATTENTION - Due to the high-power consumption of LEDs, the backup battery can only be used to preserve time, it can’t support LED displaying.