Place of Origin: China Brand Name: OEM Model Number: MSLT170 Warranty: 2 years After-sale Service: Online technical support Instrument classification: Class II Type: Ophthalmic Optical Equipments Item: Applanation Tonometer Range of Measurement: 0mmHg~ 80mmHg (0 kPa~10.64kPa) Moving Range of the rings: 1.53*2=3.06mm Prism diameter: 7mm Moving range of prism: ±1.5mm Dimension: 172*80*80mm Net weight: R type: 0.8kg; Type: 0.5kg