PERFECT GIFT FOR FAMILIES - Color atomic clock with moon phase comes with exquisite and environmentally package is a great choice for birthday/festival gift for the elderly, parents, families, and friends. with built-in stand bracket and hanging hole can be placed on the desk of the office or hanging on the wall of the living room. We offer 30-day free money-back, 12-month warranty, and lifetime consulting service. AC POWER & BATTERY BACKUP - Our digital self-setting alarm clock with indoor temp and humidity is primarily powered by the included AC adapter, but in case of power interruption, it is recommended to use the batteries simultaneously to ensure seamless use during power outages and store your time and alarm settings. Additionally, there's a user-friendly low-battery warning function that will appear to remind you to replace the batteries in time. ALARM CLOCK WITH SNOOZE - We are dedicated to providing the ideal nightstand clock for bedrooms for users, our small atomic alarm clock includes a snooze function which is helpful for those who are hard to get up in the mornings. With the digital calendar function, it also can be an excellent wall/desk clock for offices, schools, and shops. Includes indoor temperature & humidity readings and comfort level, which can provide a useful reference for you to adjust the thermostat. DIGITAL ALARM CLOCK WITH COLOR LCD DISPLAY - Equipped with 6" large colorful screen, vivid digits, adjustable backlight, and different colors for each function, our electric atomic clock with backlight can easily read information during the day and night without causing any disturbance during sleep. It displays the time, date, day, and indoor temperature & humidity, and also offers real-time moon phases for those who track the lunar cycle. COLOR ATOMIC CLOCK FOR BEDROOM WITH WWVB FUNCTION - The digital atomic clock has seven time zones (-04: AST, -05: EST, -06: CST, -07: MST, -08: PST, -09: AKST, -10: HST). By setting the time zone on the atomic alarm clock and leaving it plugged in overnight, it will automatically sync to the correct time during the night with the WWVB function on, while also self-updating for daylight saving time (DST).