UVB tester reptile card measures the intensity of the UVB & UVA rays of UV fluorescent lamp.
Card changes colors from White to Purple based on the UVB & UVA ray strength.
2PCS Durable plastic card, credit card size, 3.4 inch x 2.1 inch comes in a sleeve.
New High Tech, Non-Toxic, environmentally friendly detection matrial that is printed on the card to measure the UVB/UVA rays of UVB lamps.
Can be used over and over again up to 500 times. Great handout.
