Optical Trial Lens Frame Air 3*USB ports(5V/ 3A)

3*USB ports(5V/ 3A)

Model Number SMT-HT17

Dog mode:     240±3 mmHg

Dimensions 320*310*205 mm

1* car socket(12V/10A) and a wireless charger(5V/2

Optical Trial Lens Frame Air 3*USB ports(5V/ 3A)Summary: It is suitable for eyesight examination in spectacles shops, department of ophthalmology in hospitals, schools and enterprises. Detailed Product Description: 1. Range of PD adjustments: PD of both eyes: 50~76mm; Left or right PD: 24~40mm,Minimum Calibration Value: 1mm. 2. Axial calibration on each disc: Left disc: 120~0~135,Right disc: 45~180~60,Axial calibration increases counter clockwise along the lens frame axis, and the calibration