... FDA, ISO, Accurate readings, Auto focusing Color screen, Printer, UV meter Promotion, 18 month warrant Auto lens meterCE, FDA, ISO,Accurate ... accurate results4. Build-in printer5. External UV partSpecifications 1. Sphere: measuring range -25 ~ +25D unit 0.01/0.12/0. ... 25D2. Cylinder: measuring range -9.99 ~ +9.99D unit 0.01/0.12 ... (D)*430(H)mm12. Weight: about 7kg Auto lens meter