observation, and 3 UV lamps for money detector magnifier. These energy-efficient LED lights are designed to help you read at night or in dark places. 30X magnification Dual 25mm lens: 25mm/0.98inch in diameter, this double-coated optical glass lens provides a clear image and good light transmission. The 30X objective is perfect for miniatures, jewelry or professional inspection. Strong and durable: Made of solid zinc alloy with a black paint finish. There are two specific scales: 1/16 inch and 0.5 mm on the base. You can quickly measure the size of the object. This microscope magnifier is quite durable and not easy to be damaged. Hands-co.ukee and easy to use: The focal length of this table magnifier is fixed and does not require adjustment. Simply place the magnifying glass anywhere on the table and place the object in the middle of the scale. White lights and UV lights are easily turned on/off by one button. Mini and lightweight: the very portable size of 60*52/*51mm(/2.36*2.05*/2.01in), and only 190g (6.7oz), makes it comfortable for portable use. Package included 1 magnifying glass Product Description Designed for gemstones, jewelry, coins, stamps, stones, watches, hobbies, antiques, models, photo industry, etc. Features: The optical lens multi-layer combined reduces distortion, high light transmission, wide field of view, and more accurate display of the dual-standard scale plate. pBi-color ring light LED light source, bi-color switching , uniform fill light. Applicable to stamps, coins, printed identification, ancient calligraphy and painting, textiles, etc. Specifications: Material : metal, double layer optical glass lens. Product multiplication rate: 30X standard Product net weight: 165g Product package weight: 195g Product size: 60*52*51mm/2.36*2.05*2.01 Package size: 70*65*62mm/2.76*2.56*2.44 Method of use: Observation method 1: Keep the magnifying glass close to the object to be observed, and keep the distance between the human eye and the object to be observed unchanged. Then move the handheld magnifier back and forth between the object and the human eye until the image is large and clear. Observation method 2: magnifying glass as close to the eyes as possible. The magnifying glass does not move, moving objects around until the image is large and clear.