1.Measure Range :3mmHg~70mmHg
2.Measure Error:
±1.5mmHg(3mmHg≤intraocular pressure≤25mmHg);
±2.5mmHg(25mmHg < intraocular pressure≤70mmHg; 3.Rating voltage: DC3V(2 AA Batteries)
4.Rating input power: 1VA
5.Net Weight: 2kg, Machine Demension : 22cm x 5.5cm x 9cm