Feature: 1. Super bright LED light chips, the service life of experiment reaches more than 60,000 hours, the designs of spot light heads, the lighting effect is better. 2. USB charging designs, USB cable charging designs, charging is very convenient, computer USB interface, or other USB interface to directly charge the flashlight. 3. The torch adopts high‑quality 304 stainless steel material, scratch and fall resistant, long service time, the metal texture is super good. 4. Pen holder designs, simple stainless steel pen holder, easy to carry. 5. Wide range of applications, can be used for detection of eyes, ears, nose and throat, can also be used to detect jewelry stone, archaeology, research and so on. Specification: Condition: 100% Brand New Item Type: Doctor Pen Light Material: Stainless Steel Purpose: Doctor use for lighting Length: Approx. 13cm / 5.12in Diameter: Approx. 1.3cm / 0.51in Light Color: Pure White Battery: Built-in 1pc AAA polymer lithium battery, capacity of 200MAH. Package List: 1 x Light 1 x USB Cable