【Adjustable Brightness and Sound】A digital clock with non-disturbing nighttime lighting. Offers 4 brightness levels and 3 sound options that can be manually adjusted. LED screen size: 14cm*6cm (5.5*2.4in). Displays time in 12-hour or 24-hour format and temperature in °C or °F. 【USB Charging Alarm Clock】Easy to set up and portable. This LED alarm clock can be powered via AC outlet or USB port. Includes a backup battery to retain settings during power outages. A red warning indicator appears on screen when battery is low. 【Dual Alarm with Snooze】Features a sleek digital display with temperature reading and mirrored surface. Two independent alarms allow separate wake-up times; disable weekend alarms as needed. Snooze function: 5 minutes. Easy time and alarm setting with 13 selectable ringtones and adjustable volume. 【Sound Activation】When powered by battery, the clock enters standby mode. Wake the display by making noise, such as clapping or touching the unit. For continuous display, use the USB cable and plug into a power source. Color: White Note: Size measurements are manually taken and may have a variance of 1-3 cm. Due to differences in monitors, actual product color may vary slightly from images. Package includes: 1 PC