Two keyring UV monitor for the price of one. Simple to use to determine UV intensity when outdoors at the beach, engaging in sports or other outdoor activities.
To determine UV intensity just compare the colour of the centre circle with the colour of the 4 outer quadrant which range from clearest to darkest in colour ;corresponding in increasing UV intensity.
1. Low intensity : UV index 1-2, no protection is necessary.
2. Mid intensity: UV index 3-5, protection is required. Use sun screen,
3. High intensity: UV index 6-7, protection is required. Use sun screen, wear protective coverings, hats, sunglasses etc.
4. Highest intensity: UV index 8-11+, avoid being outdoors in the sun.
