1. Glowing Wall Clock - After dark, 4 built-in LED lights will illuminate the numbers. The soft blue light emitted by the clock is aesthetically pleasing and makes it easy to read the time. 2. 3 Modes - You can choose from 3 modes according to your needs: 1 - Automatically turn on the LEDs in the dark / 2 - Keep the LEDs constantly on / 3 - Turn off the LEDs. 3. Modern - The large wall clock (30 cm in diameter) can perfectly blend into your interior decoration. This design can easily fit into your home: living room, kitchen, office or bedroom. 4. Radio - Controlled - The clock will automatically set the time and always keep accurate time. It automatically switches for daylight saving time / winter time without having to remove it from the wall. It receives the RCC signal from Frankfurt (DE). 5. Features - Material: ABS, plastic - Power supply: 4 AA batteries (not included) - Dimensions: 30 x 5.5 cm in diameter - Certified with CE, RoHS, RED.