Tube Electronic Car Clock Creative Home Decor VFD8 Mini Car/Home VFD Clock Fluorescent

Product parameters: Dimensions: 102*28*25mm Operating temperature: -25~85°C Working voltage: 5Vdc Working current: 150mA Machine weight: 120g Interface Specifications: Micro-USB Temperature display: support both Fahrenheit and Celsius formats on the same screen. The error is 1~2 degrees. The display range is -18~75℃ Date week: Supports display date and week. RTC chip: Original high-precision clock chip DS3231SN series. Accuracy 2ppn, annual error within 1 minute Backup battery: Model CR1220 (not included, you need to bring your own)