NOTE: When used, the magnifying glass is about 1-2cm away from the object being observed, and the eye is close to the magnifying glass 1-3cm. The graduated cylinder magnifying glass can be given as a high-end gift to elders, children, friends, and the value is extremely high, reflecting your concern for them! Bring it when you travel easily fits in purse and shirt pockets. Also comes with a PU leather carrying sleeve for easy storage and extra protection. Features: 1. Compact and stylish design, lightweight, portable and durable. 2. Comes with a PU leather carrying sleeve for easy storage and protection. 3. HD optical lens, LED light, transparent imaging, clear and sharp, clearly visible. 4. Optical lens, high light transmittance, high refractive index, stable physical and chemical properties, small dispersion coefficient, no distortion in imaging, care for the eyes. 5. Suitable for children, adults, seniors, amateurs and professionals. Specifications: Material: Optical Glass Lenses, ABS, Metal Lighting Source: 3 x White Lights, 3 x UV Lights Battery Type: LR927 Button Battery Battery Capacity: 160mAh Per Unit Required Batteries Quantity: 3 Lens Multiple: 30X Lens Diameter: 2.8cm/ 1.1in 2 Scales on Base: 1/16 inch & 0.5mm Product Size: 4.7 x 4.2 x 5cm/ 1.8 x 1.6 x 2in Package Weight: 92g/0.2lb Color: Black & Silver Package Includes: 1 x Loupe Magnifier 1 x User Instruction 1 x Artificial Leather Sleeve Our products have been well tested, examined and packaged before sending off. Any problem please feel free to contact us first so that we can supply the best service for you.?Wide Applications?Designed for gems, jewelry, coins, stamps, rocks, watches, hobbies, antiques, models, etc. Perfect for student field trip, jewelry identification, inspection and maintenance, on-site observation. ?Lightweight & Portable?Handheld portable magnifying glass with the overall size of 4.7 x 4.2 x 5cm, weighing only 70g, light and compact. Comes with a soft artificial leather protective cover to protect the lens, convenient to carry and store anywhere. ?LED Light & UV Light?With bright LED and ultraviolet light, our optical magnifier can help you see objects in dark or under-light conditions; ultraviolet light can help you detect items such as banknotes, credit cards and traveler's checks. ?30X Zoom Lens?With a graduated cylinder magnifying glass, high-quality glass lens is used, the transparency is high, the dispersion coefficient is small, the imaging height is clear, and the magnification can be enlarged by 30 times. The magnification effect is comfortable and natural with high definition. ?High Quality Material?Our magnifying glass shell is made of high-quality ABS material, sturdy and durable. Optical glass lens, clear magnification effect, anti-fall and wear resistance, long service life. The surface is refined and processed, the overall fashion atmosphere, ergonomic design, comfortable and natural.