Alarm clock with operating instructions in English. If you do not understand the alarm clock parameter settings, please contact the 7*24-hour online customer service, 1 on 1 to teach you to set the alarm clock, until you can completely set the alarm clock by yourself. Compact Size100*70*40mm, the size is just right, the clock bedroom can be used as a desktop clock in the office, bedroom, living room, etc. Since it can run on battery or AC power, it is also a portable travel clock. Two modes of control: button control mode and voice mode (when the sound is greater than 60 decibels, the display can be woken up to be always on). When running on battery, voice control mode is recommended. Multi-function Display: Bright Digital wood Alarm clock Easy to read,displays date, time [12/24] and temperature [F and C], 3 alarm clock settings, adjustable brightness (press and hold the UP button for 3S to adjust L0-L3 levels). Dual Power Supply: Mainly works when plugged in cable power supply or backed up by AAA battery (not included) (without power storage function, unplugged power cord is not available). The charging cable is included in the box. Cable compatible with all USB chargers. Battery power is best used for backup only. It is not recommended to use the battery as the main power source as it drains the battery very quickly. Good choice for gift-The wooden clock is designed by the idea of minimalism. It doesn't have too many buttons, but gives you the most natural wood-colored look. You can express your love and care by giving it as a gift to a friend or child. Refer to the description for the function settings during use. If you do not understand, you can consult us online.