Introduce:1. Input: 11V13V, 1A, DC power (5.5-2.1)2. Using STM8S005 as the main control, built-in procedures, welding light pipe can be used directly.3. Support seven clock color display (containing RGB lamp).4. The use of imported high-precision clock chip, a year less than 1 minutes error5. Using integrated IC drive program, the display is more stable and reliable6. Size: 187x48mm7. Function: 24 hour mode, time display, anti poisoning program (every 10 minutes refresh the monitor), no alarm, remote control is not supported,No time switch machineOpertation:Set Time: click "SET" key into seting time.lick "Up", "Down"to set time, and click "Set" to finish.Set black light color: Click "Up" into color tuning mode (every day change color). click "Down" into fixed color.Packing includes:1 x Circuit board that has been welded and debugged(without glow tube)Display effect: (for reference only)