Fangrui Product Details 1. Apexel Apl-ms001 100x Smartphone Microscope With Led Light 2. Multi-layer Broadband Coating On The Whole Surface, Good Definition 3. According To F1.8 Aperture Design, Stronger Compatibility 4. The Light Is On For More Than 1 Hour 5. Can Hold (fit) All Mobile Phones 6. Equivalent Focal Length: 45mm 7. Exit Pupil Diameter: 2.3mm 8. Optical Distortion: Less Than 4. 9. Standard Definition Of Focusing Distance: 10-11.4mm 10. Focusing Distance Product Shape Definition: 3.6-5mm 11. Number Of Lenses: 4 Elements In 4 Groups 12. Magnification: About 100x 13. Lens Aperture: F1.8 14. Lens Coating: Multilayer 15. Lens Material: Aluminum 16. Product Material: Pc 17. Clamping Distance: About 40mm From The Edge Of The Phone 18. Battery Capacity: 30mah 19. Charging Port: Micro Usb 20. Led Brightness: 6 Led Light Guides, One Level Of Brightness 21. Light On Time: About 100 Minutes, Flashes When The Battery Runs Out 22. Color Temperature Of Lamp Beads: 6000~6500k 23. Switch Control: Hall Induction (magnetic Control) 24. Charging Instructions: Red Light Is On When Charging, Green Light Is On When Fully Charged 25. Charging Time: About 90 Minutes