1. The product uses a high-performance radio module, and the radio frequency range is FM76MHZ--108MHZ, which can meet the needs of most countries in the world. 2. The radio has the functions of automatic channel search, automatic channel lock, and automatic channel storage. The number of stored channels is unlimited, and the operation is simple and convenient. 3. The humanized design that the radio can set the automatic shutdown time, the setting time is 5-90 minutes, and the radio can be turned off by itself according to the setting. 4. The volume can be adjusted from 0 to 15 levels 5. Large-screen LED display, the brightness can be adjusted manually, and the adjustment levels are: off, dim, medium, and high. It can also be automatically dimmed by light sensing. When this function is turned on, the product will automatically adjust the display brightness according to the ambient brightness. 6. The product has two sets of alarm clock settings, which are suitable for use. 7. The alarm clock alarm mode can set the traditional Didi sound alarm and set the radio as the alarm ringtone 8. Temperature display, temperature measurement range: 0C~50C error: plus or minus 1C 9. Humidity display, humidity measurement range: 20%~95%, error: plus or minus 5% 10. The product adopts acrylic mirror surface, which can be used as a mirror after special treatment. 11. Power supply: DC5V power supply 12. There is a built-in 2032 button battery. After the external power supply is cut off, the product settings will remain unchanged and the time will run normally, and there is no need to set it repeatedly after the power failure. 13. High-definition red projection, can be rotated 180 degrees, and the effective distance is 5 meters. Product size: 185*45*91mm Single product packaging size: 193*48*105mm packing list Alarm clock*1 1.5m USB cable*1 2032 button battery*1 English manual*1