The set includes 1 Standard Illumination (2.5 Volt Vacuum Bulb), 14 different sized speculas - (6) 4.0 mm, (6) 2.5 mm, (1) 3.0 mm, and (1) 5.0 mm. Runs on 2 AA batteries (not included).
Features:
- Standard Illumination
- 3X Magnification
- Connection via screw thread
- Vacuum bulb 2.5V - easily replaceable