| Replacement Lense Standard or DINs | Standard 4 x 5 |
| Standard or Limited Edition | Standard |
| Cartridge Size | 4.5in. x 5.25in (114mm x 133mm) |
| View Window Size | 3.82in x 2.44in (97mm x 62mm) |
| Sensitivity Control | Variable Shade, Dealy, and Light Sensitivity |
| Powered | Replaceable lithium battery |
| Light to Dark Switching Time | 0.00004 sec. (1/25000 sec.) |
| Delay Control (Dark to Light) | 0.1 sec. min. - 1.0 sec. max |
| Compliance | ANSI Z87.1-2003/CSA Z94.3 |
| Operating Temperature | 14 - 131 deg. F (-10-55 deg. C) |
| Storage Temperature | -4 - 158 deg. F (-20-70 deg. C) |