Features: Designed for UVB Bulb: UV test card is meticulously designed for reptile uvb lights, allowing for instants and easy measurement of UVB/UVA rays. By using this UVB test sensor card, you can create a health and comfortable living environment for your reptile pets, meeting their needs for UV exposure. Pet-Safe: The UVB test card is made from a new type of high-tect detection material. This UVB card indicator does not release any harmful substances during use, ensuring the health of your pets. Efficient Judgment: The cartoon pattern serves as the detection area. Before UV detection, the detection area is white. After UV exposure, the area changes from white to purple. With the UV test card, you can easily determine the changes in UV-intensity. Reusable: A single reptile UVB test card can be reused up to 500 times, providing reliable results each time. There is no need to replace it frequently, which significantly reduces costs and makes it an economical choice for taking care of your reptiles. Portable: Card size: The UVB tester reptile card is lightweight and compact, making it easy to carry around. Whether at home or on-the-go, you can always check the UV exposure of your reptiles, ensuring they grow healthily in a suitable environment. Notice 1.Actual color may be slightly different from the image due to different and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: 8.5×5.4×0.1CM Package List: 1/5/10pcs Cards