I did
and it says
Features
• Stepping motor provides smooth operation
• Ignition ON initiates self-luminescence gauge
• Lightning-like Opening/Closing mode
• Adjustable warning setting
• Self-diagnostics function monitors both sensor disconnection and short-circuiting during startup.
• Using High-brightness LEDs illumination and color can be chosen from whiter, amber, red,
green and blue.
so are these different ? or can the warning setting be adjusted?