Material: ABS Color: White/Red/Green Display Type: Digital Style: Digital Power Source: USB plug cable powered Shape: Rectangular Product size: 363 * 160 * 40mm Product weight: 497g Packaging size: 365x160x40mm Packaging weight: 610g Packing List: 1 digital clock 1 USB power cable 1 instruction manual The digital wall clock features clear contrast digits that are easy to read and visible from a distance of up to 10 meters. It supports switchable 12/24-hour format and provides accurate time display, making it user-friendly for children and the elderly. The clock offers 3 adjustable brightness levels. Brightness can be adjusted manually or automatically to suit different lighting conditions. Lower brightness at night avoids disturbance to sleep, while higher brightness during the day ensures clear visibility. This multifunctional digital wall clock includes a long USB cable and displays time, date, temperature, and humidity. Temperature and humidity readings are switchable. It also features an alarm function for added convenience. The clock allows monitoring of environmental conditions and time in one device. Only one alarm can be set; alarm function is secondary. LED displays consume significant power. To avoid frequent battery replacement and reduce environmental impact, this clock is powered via USB cable. It can be connected to a power adapter, power bank, or computer for flexible and continuous power supply. The clock operates silently, making it ideal for quiet environments such as classrooms, libraries, and offices. It is lightweight and easy to mount on walls with secure hanging support. Hidden stands allow it to be placed securely on a desk or nightstand.