The ACM1601C-RN-GBH-G is an LCD character display module manufactured by AZ Display/American Zettler Displays. This module features a 16 x 1 character display with a reflective display technology and does not have a backlight. The display module comes in a gray color with an STN (Super Twisted Nematic) display type. The display is bottom-mounted, making it suitable for various applications requiring compact and efficient character-based information display.