FEATURE The first portable slit lamp microscope in China Compact,hand-held,one hand operational High Illumination White LED Fully charged can be used for 5-6 hours Net weight:750g easy to carry with CE, FDA,ISO9001,ISO13485 PRODUCT DETAILS MICROSCOPE Type Converging Microscope Eye piece 10X銆?6X Objective 1X Magnification 10X銆?16X Pupil distance 48mm~72mm Adjustable diopter 卤7D Working distance 80mm SLIT Slit wdith 0~10mm continuously adjustable Diameter of light spot 1 mm, 3 mm, 5 mm, 10 mm Illumination rotation angle Horizontal卤30掳 Filter Heat-absorbing, gray, red-free, cobalt blue Bulb 3.3V 10W LED Power supply Li-ion battery 680mAh 7.4V Working time 5-6 hours (while LED ) Net weight 750g Gross weight 2600g Packing volume 400x200x230mm PORTABLE SHOW 1. Forehead rest 9. Indicator 2. Slit opening and shutting ring 10. Eyepeice 3. Light spot rotation 11. Slit rotation trough 4. Filter rotation 12. Battery accommodation part 5. mirror 13. Base 6. Illumination ON/OFF switch 14. Eyepiece linkage gear 7. Grip 15. 16X eyepiece 8. Illumination control 16.Diopter adjustment lever 9. Charger and battery PORDUCT DESPLAY With adaptor, it can be taken photos or vedios. There is an APP system, it can save patients eye images. PACKING CERTIFICATION Buy Portable Slit Lamp website:http://www.szkjvision.com/slit-lamp-microscope/portable-slit-lamp/