OUNONA Test Uv Cards Papers Strips Light Waterproof Effect Uv Device Discoloration Detection Reusable Effects Tester Uvc Tester

Description Are you looking for professional quality products with reasonable prices? Are you looking for a sturdy durable and reliable UVC light test cards that can complete multiple tasks? If so our products will be your best choice! Our professional UVC light test cards will meet your needs. Features - Color: White - Material: PVC - Size: About 7.20X2.70X0.10cm/2.83X1.06X0.04inch - Test cards only turns luminescent color when exposed to a light. - It will resume normal color immediately if you move test cards away from the light. - Basic reliable and simple method of monitoring UV strength. - This UV test cards fits for common UV/UVC device UV sterilizers wand UV boxes UV bags and other equipment. - Professional and practical design with beautiful appearance easy to carry and use.