Clearer: Cat Ringworm detection special 365 purple wick, UV filter lens, and focusing halo, strong penetrating power, making the light more pure, and more clearly showing the detection site. High quality: Metal body, anti-oxidation and corrosion, anti-pressure and anti-drop. There is a portable pen Clip on the side for easy carrying. Multifunction: Can detect Ringworm Dog/Cat ,Vitiligo ,Skin,pet Urine,Fluorescent agent, Food is moldy, Anti-counterfeiting mark.It can also be used to illuminate luminous toys, make luminous toys brighter, and solidify the toy/nail glue Recyclable charging: magnetic suction hidden USB direct charging interface, firm and not loose, Eliminate the cumbersome data line, make charging more convenient, up to 5h battery life, support life waterproof. How to use: Turn on the flashlight and illuminate the roots of the pet's hair. If there is a small piece of fluorescent display, please check the instructions provided to determine what type of Cat Ringworm it is, and inform the veterinarian. size: 12.5x1.3cm Material:Metal colour:Silver Package Contents: 1 x Detection lamp 1 x usb data 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.