Radio Shack Maximus Keyboard - Manual (Page 3)

Specification
Keyboard size Each of the 113 displays
width 537 mm (21.1 in)
breadth 173 mm (8.8 in)
height 38 mm (1.5 in)
key 20.2 × 20.2 mm
(0.8 × 0.8 in)
technology organic light emitting diode
visible area 10.1 × 10.1 mm (0.4 in)
resolution 48 × 48 pixels
min frame rate 10 fps
colors 65,536
viewing angle 160°
Compatibility and system requirements
Windows XP or Vista OS, Mac OS X 10.4.8 or higher
USB 1.1 (2.0 preferable)
At least 20 MB of hard drive free space
At least 256 MB of RAM
Display lifetime
Optimus Maximus OLED screen have 20,000 hours of lifetime for average
brightness level (default setting). After that the brightness might decrease
with displays still reliable for a significant amount of time. If a screen con­
tinually displays one and the same image (i.e. only a part of OLED is active)
its outlines may appear on the display as dark shades.