Modern Clamp-on Eye Care Energy Saved Long Metal Swivel Arm Bifocals 3 Color Lighting Modes 1200 Lumens 14W Detachable 6 Inch Glass Lens Lighted Magnifying Lamp with 120PCS Bright LEDs Excellent Industrial Strength Construction The arm will hold the lens in place without sagging. The wires and parts are well hidden in the arm, not messy, easier to clean than spring arm. Detachable Glass lensYou can change the magnifying lens by hands directly. Don’t need any tools. Strong Metal ClampThe max clamping distance is 2.76in, which can be used for tables of various thicknesses. Folds up the arms to maximize your desk space. Eye-care TechnologyRound Lamp head, emitting soft light without ghost, glare or flicker and providing even lit viewing area&reduces eye strain. Specifications: Item No.: BLUX9006LED-150-20D Lens size:Φ6"(150mm) Lens Diopter: 5D with 20D Voltage: AC100-120V Power: 14W Light Source: 120pcs SMD LED(0.2W/pc, High Luminous) Luminous: 1200lm CCT: Daylight 3000K~6000K(Working Mode) Material: GLASS+PC+ABS+Fe