Description
Reptile UVB testing card measures the intensity of the UVB & UVA rays of UV fluorescent lamp and UVA UVB bulbs.. Put the card directly under the bulb 2 inch away, and card color changes from white to purple based on the UVB & UVA ray strength. This UVB sensor card is made of new high tech and non-Toxic detection material on the card to measure the UVB/UVA rays of UVB bulbs.
