Item Type: Head Magnifier Product Model: MG81000NC Product Material: ABS plastic and 6pcs acrylic optical lenses. Lens Magnification: 1.0X, 1.5X, 2.0X, 2.5X, 3.5X Lens Focal Length: Approx. 142 ~ 500mm / 5.59 ~ 19.69in, please refer to the instructions for each multiple focal length. Power Supply Model: USB charging, supporting up to 24 hours of continuous operation. Lighting source: 8 LED lamps. The lamp is dual color with cold light and warm light, and 3 different lighting modes of cold light, warm light, and mixed cold and warm light. Battery: 1 x 803040 polymer lithium battery with a capacity of 900mAh, shipped with a built in battery.1Clear Magnification: 4. 72 x 1. 97in large eyeglass enables clearing viewing over the magnified image, and the 5pcs eyeglass has different magnification of 1. 0X, 1. 5X, 2. 0X, 2. 5X, 3. 5X. 2Multiple Eyeglasses: Allows for independent use, the eyeglasses can work in combination on the 2 slots for higher magnification of 3. 0X, 4. 0X, 4. 5X, 5. 0X, 5. 5 X, 6. 0X, etc. , very useful. 3Good LED Head Light: Equipped with 8pcs LED lamps, the removable head light can provide you with 3 lighting modes of warm light, cold ligh and mixed light, and the light is also rotatable. 4Comfortable Wearing: The inside foam sponge makes the head mount magnifier more comfortable to wear. There are two knobs on the left and right sides, which can freely adjust the whole magnifying glass frame up and down to the angle you want to better fit your head. 5Wide in Application: The LED magnifying glass is ideal for close and accurate work, freeing your hands, ideal for reading, handicrafts, sewing, sewing, knitting, beading and so on. 1 xHead Magnifier 5 xEyeglass 1 x Eyeglass Storage Box 1 x Wiping Cloth 1 x USB Cable 1 x User Manual