Feature: 1. Humanized angle adjustable designs, steel ball rotatable interface. 2. Hook & loop adjustable, suitable for different head circumference. 3. Suitable for use in otolaryngology, can be used for hospital and clinic. 4. Made of quality stainless steel material, durable and high hardness. 5. Special designed for checking ear, nose and throat, meeting different needs. Specification: Item Type: Forehead Viewfinder Material: Stainless Steel Use of a forward-looking lens and glasses with light: Before use, adjust the tightness of the double ball head, so that the rear view mirror can rotates flexibly in any position, but also can be used for sliding loose degree; Adjust the number of bands to fit the size of the head circumference, the front mirror for the head, double straightening spherical joint, head up display (HUD) mirror inspection hole, left view or right view, far and near, medium. Light Source: Mirror on the same side, subject slightly above the ear. Frontal Mirror Size: Approx. 8.2 x 8.2cm / 3.2 x 3.2in Package List: 1 x Forehead Viewfinder Note:1. Due to manual measurement, there may be a slight tolerance of 1-3cm.2. Due to difference between different monitors, the picture may not reflect the actual color of the item.