Description The UV testing card is a highly efficient tool that quickly and effectively tests UV light in various environments. The test card is easy to use and suitable for multiple settings, including homes, offices, hotels, and hospitals, helping ensure a safe and healthy environment. Features - Color: As Shown - Material: Paper - Size: 7.00 x 2.10 x 0.20 cm / 2.75 x 0.83 x 0.08 in - Sufficient quantity for use, allowing you to share with family and friends to help verify environmental safety - Wide range of applications; ample supply meets daily use and replacement needs - Designed to test the effectiveness of UV germicidal light; simply place the card in the area being tested and wait a few seconds - Compact, lightweight, and portable; takes up minimal space and can be placed easily - Compatible with common UV/UVA devices and equipment Packing List 20 x UV testing cards