Hanchen Product Description Description LED countdown clock is a great way to generate interest and excitement about an upcoming project or special event! Its highly attractive and dynamic LED display is fabulous for motivating sales, setting goals, completing projects on time, new product launches, or counting down to any Special Day! There's really nothing else quite like a large countdown wall clock to keep you on track to meet an important goal or deadline. Parameter Type: DDD HH: MM: SS Digital height: 4.6cm (1.8 inches) Dimensions: 510x160x40mm. color: red. Function 1: DDD (countdown) HH: MM: SS (countdown) Function 2: DDD (positive count) HH: MM: SS (positive timing) Function 3: DDD (countdown) HH: MM: SS (time display (12/24 hours)) Brightness: Adjusted by remote control and automatic brightness. Viewing angle (degrees) H: 85 V: 85 LED life rating: 100,000 hours Power: AC110-250V 50-60Hz, DC 5V, USB connector. Clock accuracy: 1 - 2Mins / Year. Input: Infrared remote control only. maximum. Viewing distance: 30 meters Contoured border: aluminum casing. Operating temperature: 32° to 158°F (0° to 70°C) Humidity range: 0% to 95% non-condensing. Power cord length: 2000mm. Installation: Hardware to accommodate ceiling or wall mounting. Note We provide 1 YEAR warranty for every our customer. If you have any questions, please feel free to contact us directly. We will give you a reply as soon as possible.