UVC & UV TEST CARD 3IN1 Instant UV & UVC Detection: Quickly tests presence and strength of UV and UVC rays for safety and effectiveness. Color-Changing Indicator: Special surface changes color based on UV intensity – easy to read and understand. Reusable & Portable: Durable material allows multiple uses; convenient size fits in wallets or toolkits. Versatile Application: Ideal for checking UV sanitizer boxes, nail lamps, UV sterilization wands, and other UV-C devices. Protects from Harmful Exposure: Helps ensure your UV device is functioning correctly and safely emitting appropriate levels.