Vixen Silicone LED Magnifier 43052

[Soft, stand-alone magnifying glass with a silicone body] Lens diameter/effective diameter: 72 mm (effective diameter 69 mm) Magnification: 4x Lighting: 14 white LEDs (with 3-level dimming) Power supply: 2 x CR2016 batteries / external USB power supply (non-OEM)