Features: The reading magnifier with cylinder and dome- design can help you more focused on what you are reading. Come with 3 LEDs ensure better lighting effect, You can see objects clearly in dark or insufficient light conditions. A scratch-resistant,shatterproof, transparent 5X optical glass lens, provide high definition vison. Suitable for seniors, people with low for vision, students, arts and crafts professionals. Portable and for tough enough to take with you wherever you go. Specifications: Size: approx 9.2 x 9.2x5.1cm/3.6x3.6x2in Lens diameter: 72mm/2.83in D X H/92X51mm/3.6x2in Magnification: 5X Power supply: 2×CR2016 ( included) Package Includes: 1x Reading Magnifier note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.