Features 1. Large digit LEDs to display time, humidity and temperature easy and convenient for reading. 2. Projection function: Project time, Adjustable focus, 3-level projection brightness, you can rotate the projection 180 °. 3. Automatic light adjustment: In this mode, the projection brightness cannot be adjusted automatically according to the brightness of the input. FM radio function: manual FM, display time can be set, automatic search station. 4. Dual alarm clock function: 2 alarm clocks can be set to any date separately, also set the snooze mode. Indoor thermometer function: Real-time temperature display, 12H / 24H modes. 4 levels of screen brightness can be adjusted manually as you need. 5. The screen has a special progress that can be used as a makeup mirror. Built-in memory shutdown function. Specification Material: ABS USB input: 5V D C Light Color: Blue, White FM Frequency: 87.5-108MHz Projection Distance: 0.5-5m Volume adjustment: 0-15 levels Time format: 12H / 24H Brightness adjustment: 4 levels Batteries: 1 x CR2032 (included) or 5V D C Package Includes: 1 x Clock