Uses:Dove Eye Magnifying Glass Applicable Areas:Livestock, Aquaculture Description: 1. Multiple: 60 times (30-40) 2. Specifications: 40X40X20 mm 3. Material: plastic 4. Lens: optical resin 5. Light source: white LEDX2 and counterfeit violet LED (three lights) 6. Battery: three LR43 batteries 7. Items included: one magnifying glass (including three batteries), one nylon bag, one hand rope, one manual, color carton packaging 8. Observe clearly and accurately 9. Adjustable focal length, self-contained light source to illuminate the field of view, and is not restricted by ambient light when in use 10. With UV counterfeit function, flashlight lighting function 11. Suitable for industrial use, circuit board and printing, medicine, gardening, coins and stamps, jewelry identification, education, geography, home and office