The digital alarm clock uses a high-performance radio module, and the audio frequency range is FM76MHZ-108MHZ, which can meet the needs of most countries in the world The radio has the functions of automatic search, automatic lock, and automatic storage. The number of storage stations is unlimited, and the operation is simple and convenient The user-friendly design of the radio can be set to automatically turn off time, the setting time is 5-90 minutes, and the radio can be turned off according to the setting Large-screen LED display, the brightness can be adjusted manually, the adjustment levels are: off, micro-bright, medium-bright, and high-bright, and can also be automatically dimmed by the light sensor. Turn on this function, and the product will automatically adjust the display brightness according to the ambient brightness The volume is adjustable from 0 to 15 levels; the alarm clock has two sets of alarm clock settings to meet the needs of customers You can set the traditional didi alarm and set the radio as the alarm ringtone The digital alarm clock adopts an acrylic mirror surface, after special treatment, it can be used as a mirror Built-in a 2032 button battery, after the external power supply is cut off, keep the product settings unchanged and the time runs normally, no need to repeat settings after the power cut High-definition red projection can be rotated 180 degrees, effective distance of 5m Specifications: Product model: EN8827 Material: ABS USB input: DC 5V FM frequency: FM76MHZ--108MHZ Projection distance: 0.5-5m Volume adjustment: 0-15 levels Hour format: 12 hours/24 hours Brightness adjustment: 4 levels Battery: 1 x CR2032 (included) Power supply: DC 5V  Product size: 185 x 45 x 91mm Temperature range: 0℃~50℃, error: ±1℃ Humidity range: 20%~95% error: ±5% Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store