Specifications: Illumination Source: 3.5V, 2.8W mini halogen bulb Power Source of Recharger: Input Voltage: 220V ±10%V Input Power: 8VA Diopter Compensation: 0,±1,±2,±3,±4,±5,±6, ±8,±10,±12,±16,±20,-25(D) Illumination Form: big spot, small spot, slit, central network, red-free
- Type of instrument:direct ophthalmoscope