Model No.:CSWX 44 Product Origin:China Brand Name: Price Terms: Payment Terms: Certification:CE Description:Method of measurement: cornea reflection light coincidence method
Range of measurement: 48 to 77mm (both eyes), 24 to 38.5mm (each eye)
Graduations: 0.5mm
Range of focusing point: 30 to infinity
Power supply: 4.5V DC (Lr03 batteries X3)