Outdoor UV Tester Band Keychain – Ultraviolet Rays Sensor & Color-Changing Detector
Detect UV exposure instantly with this portable keychain sensor. The band changes color based on UV intensity, offering real-time sun protection alerts. Made from durable, weather-resistant polymer for long-lasting outdoor use. Precision-engineered with high-sensitivity photochromic dye for accurate UV index readings (UVI 1–12). Ideal for hikers, beachgoers, parents monitoring children’s sun safety, and outdoor workers. Compact design clips effortlessly to bags, keys, or wristbands. No batteries needed—reacts instantly to sunlight. A must-have for travel, sports, and daily sun awareness. Buy in bulk for events, promotions, or retail resale at unbeatable wholesale prices.