TS-9210 Digital Mirror Projection Alarm Clock With FM Radio 1. Brightness adjustment: 6 levels. 2. Battery: 2032 button battery (not included). 3. Projection distance: max 5m. 4. Hour Format: 12H 24H. 5. Our digital alarm clock comes with a 7.48 inch mirror LED display so that you can clearly see the time even if you are 30 feet away from your bedroom. At the same time, this alarm clock can be used as a Temperature and Hygrometer, FM Radio and makeup mirror which will keep your beautiful all the day. 6. The projection alarm clock projects time on the wall in a soft red light, which you can clearly see the time but will not disturb your sleep. At the same time, our clock is equipped with a high sensitivity sensor, which can adjust the display brightness according to the environment and turn on the night mode to avoid irritating light. It is suitable for light sleepers, you can manually set the 6 levels of adjustable brightness. 7. USB Charging Port & Power-off Memory: The digital alarm clock with 5V1A USB output interface, you can charge smartphones when sleeping. Projection function works only via AC power, But it comes with a battery backup system, the settings of alarm, time and radio will be remembered even during power outages. 8. This alarm clock is an excellent gift for friends, family members and lovers, It is not only a multifunctional alarm clock, but also an excellent decoration for bedroom, living room and study, perfectly match home decoration styles. 9. Dual Alarms & Snooze: This smart alarm clock has dual clocks, which enables you to set two separate wake-up times for you and your partners at the same day, it is a great choice for a 2-person bedroom. The snooze button is located in a convenient central location, you can easily turn off the alarm without opening your eyes to get 5 minutes of sleep time. To prevent oversleeping, the alarm will sound every 5 minutes until it is completely turned off, which is a good choice for heavy sleepers. 10. Temperature range: 0~50 celsiu