SE Multi Power Head Magnifier and Loupe, Illuminated Model MH104L Brand SE Color Black Batteries Required? Yes Item Weight 1.6 Ounces Item Dimensions LxWxH 9.8 x 9.75 x 2.5 inches ADJUSTABLE HEADLAMP - LED light and magnifier MAGNIFICATION OPTIONS - 4.5x loupe for inspecting extra detailed work TWO STEREO LENSES - to maintain depth perception COMFORTABLE AND EASY TO ADJUST - use knob to adjust circumference GREAT FOR - fine detailed work, hobby, home, jewelry making, office, watch repairs, and more Electronics Wearables Glasses gently worn