50023 - Headband Magnifier - 2.2x, includes a self-locking, interior flip down lens, creating a 3.3x magnification level.
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50023II - Illuminated Headband Magnifier - 1.8x, includes a self-locking, interior flip down lens, creating a 2.3x magnification level. 2 lenses, when used with monacle, create 4.8x level, when monacle used with outer lens only, 3.7x magnification level.
- Requires 4 AA batteries
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