Description This alarm clock features clear button instructions on the back, with 12/24-hour format conversion that is easy to read. The display can be used as a night light during daily use. Press and hold the top button to adjust brightness, and set the illumination duration freely between 5 to 120 minutes. Adjustable Functions Choose from 18 different alarm tones, with 5 volume levels available (up to 120 dB). Brightness can be manually adjusted across 5 levels. Dual Alarm and Snooze Function Designed with two independent alarm groups and 4 weekday alarm mode options (1-1, 1-5, 1-6, 1-7). Tap the snooze button to delay the alarm by 5 minutes. Press any button on the back to turn off the snooze function. Time Memory Function The alarm clock has a built-in 1500 mAh battery (USB charging supported) with memory functionality, so the time settings are retained when powered off. A low battery reminder will appear when the charge is low. Note: This product uses a compliant battery; please use with confidence. Constant Light and Energy Saving Mode The clock screen automatically turns off after 8 seconds of inactivity. Touch the top button to illuminate the time display. The constant light mode consumes more power. Product Information