and high quality Fine workmanship and perfect style. Easy to install and durable in use. High Wear-resistant and durability. How to confirm? Brightens when exposed to the product. When the is not whether the 's problem is Ringworm, if the grows Ringworm, the affected area of the will turn green under Wood's light. This basically confirms that the has Ringworm Name: identification lamp Charging : USB charging Professional detection lamp: A lamp specially designed for detecting ringworm can detect whether your has ringworm. Built-in lithium battery+charging indicator, USB fast direct charging. Strong compatibility, fast charging, , safety and practicality. Colour:black :aluminum Package Contents: 1 x lamp 1 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.