Magnifying Glass with Desk Clamp Kit (1.8x/3D/100mm Dimming Toning LED Biconvex)

[K9 OPTICAL-GRADE WHITE GLASS LENS]: Our 4-inch (100mm) white glass biconvex lens offers excellent light transmission, delivering clear and sharp images with true-to-life colors and no color distortion. It features a true power of 1.8x/3D and a focal length (working distance) of 33.3cm.

[4 TONING & 5+3 DIMMING & FAST MAX ADJUSTMENT]: OHBIG offers four color temperature settings: warm white (3000K), neutral white (4000K), daylight white (5900K), and cool white (6500K). It features five brightness levels via AA batteries, plus three Boost modes available through USB-C. It provides 780 Lux at 12cm on level 5 and 2800 Lux on level 8. A long press of 4 seconds reaches maximum brightness. Easily control 32 lighting modes with two quick button presses.

[MUSEUM-GRADE Ra>90 RING LIGHTING]: OHBIG includes a 24+24 SMD-LED ring light module with a diffuser, ensuring even, low-glare illumination when reading. It's ideal for viewing reflective materials like metal, providing natural color rendering with Ra>90 LEDs, the same quality used in art museums. This enhances visual quality, especially for individuals with visual impairments.

[UNIVERSAL 1/4" SCREW-HOLE DESIGN FOR ARTISANS AND KIDS]: Attach arm components for hands-free precision work or comfortable reading. The OHBIG handle features a 1/4" standard screw hole at the bottom, allowing connection to an external accessory bracket. Adjust it to various angles to prevent long-term discomfort from poor posture. This feature also benefits children during cognitive training, when using teaching aids, or when finding an ergonomic angle for writing.

[POWERED BY AA BATTERIES & USB-C SAFE PLUG-IN DESIGN]: OHBIG operates on AA batteries and can be used continuously when plugged in via a USB Type-C cable. In battery mode, it will automatically shut down after 30 minutes to conserve power for workers. For senior safety, the battery cannot be charged via USB.

[LONG GOOSENECK DESK CLAMP KIT]: Metal ball-head mount with a 40cm gooseneck. Clamp range: 0.2–2.36 inches (5–60mm) table edge thickness. Required space: Diameter 1.65 x Width 1.34 inches (D42 x W34mm).