A heavy duty vandal resistant through the wall magnification viewer designed for
viewing through walls into cells.
- Clear crisp image.
- Wide field of view.
- Glass optical lens system.
- Interchangeable unit construction.
- Fits wall thicknesses from 90mm – 200mm.
- Special lengths can be manufactured on request.
- Toughened protective window.
- Locking screws to prevent removal.
- 29mm diameter hole required.