HH:MM:SS display, font height 75mm, PoE, suitable for indoor industrial use

• 3-inch red digital tube display for HH:MM:SS
• Brightness Adjustable: Low | Middle | High
• Timekeeping function (hours, minutes, and seconds) 
• Automatic time synchronizaton and drift correction 
• Power-off memory function 
• Optional: Supports PoE power supply 
• Optional: Supports network management and monitoring