Warranty: 1 year Taglines: Sensitive lcd touch display screen Adjustable lcd display screen Automatic recognition of single and progressive lens Hi-speed uv measurement Measurement screen Progressive measurement Built-in thermal printer Place for uv test Standard case : carrying aluminium case Features: Automatic recognition of single and progressive lens , built-in uv tester , user friendly design jd 2600a / b is a product that will provide you a comfortable usage This new generation of auto lensmeter is based on hartmann sensor technology advanced simultaneous measurement of 108 points provide a faster measurement with greater accuracy and reliability Sphere power (sph): 0~+/-25d 0.01 / 0.12 / 0.25d steps Cylinder power (cyl): 0~+/-9.99d 0.01 / 0.12 / 0.25d steps Axis (ax): 0-180(1 steps) Addition: 0~ +9.99d 0.01 / 0.12 / 0.25d steps Prism: 0~15 0.01 / 0.12 / 0.25d steps Step: 0.01d Pupil distance (pd): 45~90mm . 0.5 mm steps Lens diameter: 20~108mm Uv tester: >100% (+/-15.00d - +/- 25.00d , >20%) Measurable: Single / progressive / automatic / rec0gnition Contact lens: Soft / hard Display: Tft lcd jd 2600a (7) jd 2600b (5.6) Printer: Thermal printer Power source: 100-120v~/200-240v~ chooseing 50 or 60hz Weight: ~5kg Power supply: 100~240v 50~60hz