Digital LED Clock 0 28 DC Digital Clock Blue

Brand Name: Digital LED Clock Model Number: Electronic Clock Table Place of Origin: China (Mainland) Digital tube: 4: 32mm x 10mm x 12mm Refresh rate: approximately 300ms / Time: single-button sliding scale Display Colors: Blue Supply voltage: DC7 ~ 30V Time mode: 24-hour clock Measurement accuracy: 10ppm Overload: 4 times the range Operating Temperature: -40 ° C -85 ° C