The headband magnifier is recommended for close-up use. These hands-free glasses are ideal for jewelry work, watch repair, crafts, or as a reading tool. They offer 8x, 15x, and 23x magnification thanks to their dual polished acrylic crystal lenses, with a 3x magnification option. The image is sharp and without distortion. The inner lens offers 8x magnification, while the outer extension lens offers 15x magnification. The outer mirror is detachable and can be used alone or with an 8x magnifying glass. These glasses are equipped with LED lighting: the zoom is activated by two bright LEDs powered by 6 LR1130 batteries. The light is evenly distributed to reduce shadows and improve visibility day and night. The temples of the magnifying glass are retractable and movable, and the length can be adjusted to fit most body shapes. It is also possible to adjust the brightness of the LED and the lens beam. Very good observation and repair magnifier, ideal for jewelry, watchmaking, geology, sewing, antique and stamp collectors, model building, observation of the smallest details in low light, consultation of plans, crafts, etc. [Model]: 9892H-1 [Lens lengths]: 62mm, 33mm, 21mm [Batteries]: 6 LR1130 (included) [Lighting]: Two LEDs Color: Black and white Material: ABS, metal and acrylic Dimensions: 85x55x155mm Package contents: 1 glasses magnifier, 3 lenses. Note: The color of the item in the picture may differ slightly from reality due to lighting and screen settings. A margin of error of +/- 1 to 3 cm is possible.