A. UV tester wristband provide you with a simple sun-sensitive test, through color change alerts you;

B. the central part is made in photosensitive material which changes it is color depending on the intensity of the UV radiation transmitted by the sun;

C. does not show time,does not need batteries,unisex,is reusable,adjustable to all wrist sizes and waterproof;

D. The 4 colors indicator go from clear to dark depending on the intensity of UV rays.

1) Feeble intensity: UV index 1-2 ( protection not necessary)

2) Mid intensity: UV index 3-5 ( protection recommended : put a t-shirt, sun glasses, hat and sun protection )

3) High intensity: UV index 6-7 ( protection necessary: put a t-shirt, sun glasses, hat, sun lotion )

4) Very high / Extreme in intensity: UV index 8-11+ (avoid exposure outdoors)