وصف

Ordinary red light without braille (remarks)

Ordinary red light with braille (remarks)

Ordinary white light without braille (remarks)

Ordinary white light with braille (remarks)

Ordinary up button

High-quality red light without braille (remarks)

High-quality red light with braille (remarks)

High-quality white light without braille (remarks)

High-quality white light with braille (remarks)

High-quality up button

The shape of the ordinary model and the high-quality model is exactly the same, the quality of the internal components is different, and the service life is also different. I recommend the high-quality model.