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. Clock Instruction: Format: DDD HH:MM:SS (Days Hours: Minutes: Seconds) Function: - Countdown from 999 23:59:59 to 000 00:00:00 - Count up from 000 00:00:00 to 999 23:59:59 - Every 24 hours add or minus 1 day Control by Infrared remote control Comes with matching plug Function customizable Technical Datas Specification: Digit High: 1.8''/4.5cm Format: DDD HH:MM:SS(DDD for days HH for hours, MM for Minutes and SS for Seconds.) Function: Countdown and Count up Days Control by wireless remote control Dimension(W×H×D): 48×10×4cm / 19''×4''×1.6'' Case material: Aluminum Power: AC110~250V depend on your countries' standard Mounting Method: Wall-mount Hang Stand on desk NOTE: we will send the product to you as soon as possible If you have any questions , please feel free to contact us