*****EASY TO SETUP -- Simple alarm clock with 4 independent buttons on the back, clearly marked. You will hardly need instructions when setting the time or alarm. *****ADJUSTABLE VOLUME AND SNOOZE -- Comes with an alarm volume switch which can be adjusted to high or low. Touch-style snooze button easy to use even when half-sleeping, alarm will be last around 3 minutes until using snooze. (10 minutes interval) *****LARGE LED DIGITAL WITH DIMMER -- All-screen with 5" blue LED digit display clear to see at a glance. Support brightness adjustment and 12-24 hour switch.
Perfect for the elderly or the visually restricted. *****OUTLET POWERED AND BATTERY BACKUP -- Power by DC adapter (Included). Insert 2* AAA batteries (Not Included) can be memorize time and alarm in case of power failure. During the backup battery, no time display and no alarm sound. *****DUAL USB PORT -- One USB port connected with DC adapter power. Another one charging your cellphone, tablet, mp3 players or other smart