DIY Glow Tube Clock Module Board Motherboard for IN14 Digital Clocks Features: STM8S005 is adopted as the main control, built-in program, welding light tube can be directly used. Support 7 colors display (including RGB lamp). High precision clock chip, with error of less than 1 minute in 1 year. Integrated IC driver, more stable and reliable display. Function: 24-hour mode, time display, anti-poisoning program (refresh the display every 10 minutes), no alarm, no remote control, no time switch machine. Specification: Condition: Item Type: Glow Tube Clock Module Material: PCB Color: as picture shown Size: approx. 187x48mm/7.4x1.9inch Input: 11V~13V, 1A DC power supply (5.5-2.1) Set time: click "setting" to enter the setting time. Click "up", "down" to set the time, and click "set" to complete. Set the black light color: click "up" to enter the color adjustment mode (change the color every day). Click "down" to enter the fixed color. Package List: 1 x Glow Tube Clock Module