Feature:1. Made of reliable materials of high density ABS environmentally friendly plastic, clearly acrylic optical lens, and sturdy metal.2. Designed with LED lamp for auxiliary lighting to get a more precise operation.3. Head-mounted magnifying glasses, freeing both hands to provides convenience for repairing.4. Acrylic optical lens with 25mm effective diameter, magnification clearly and comfortable visual.5. Apply for observing stamps, coins, jade ware, textile, or repairing industrial electronic devices, clocks and watches, etc.Specification:Features:Made of reliable materials of high density ABS environmentally friendly plastic, clearly acrylic optical lens, and sturdy metal.Designed with LED lamp for auxiliary lighting to get a more precise operation.Head-mounted magnifying glasses, freeing both hands to provides convenience for repairing.Acrylic optical lens with 25mm effective diameter, magnification clearly and comfortable visual.Apply for observing stamps, , jade ware, textile, or repairing industrial electronic devices, clocks and watches, etc.Specifications:Material: ABS+metal+acrylic optical lensMagnification: 20XEffective Diameter: 25mmBattery: 4 * 3V CR1620 button batteryItem Size: 150 * 48 * 45mm / 5.91 * 1.89 * 1.77inItem Weight: 78g / 2.75ozPackage Weight: 85g / 3.01ozPackage Size: 17 * 7 * 6cm / 6.69 * 2.76 * 2.36inPacking List:1 * Magnifiying GlassesPackage List:1 * Magnifiying Glasses