Specifications (YZ-24B):
- Illumination form: Big Spot, Slit, Net, Red Free
- Diameter of filter: 0.2MM-0.4MM
- Illumination brightness: ≥80I X
- Dioptor compensation: -35D~+20D, 24 in total
- Illumination source: 3.5V/2.8W, Halogen Bulb
- Power: AC220V/50HZ or 110V/60HZ;
2 Alkalescent Battery or 2 Rechargeable Battery
Specifications (YZ-11D):
- Working Distance: 0.67M
- Streak: 3MM-20MM
- Illumination Source: 3.5V/2.8W Halogen Bulb
- Streak Rotation: 360°
- Input Voltage: AC 220V ±22V/50HZ ±1HZ, AC 110V ±11V/60HZ ±1HZ
- Power (Main Body of Ophthalmoscope): Li+ battery pack DC: 3.7V
