2pcs REPTIZOO UV Sensor Tester Card

UV Sensor Tester Card, 2pcs

• The UVB tester reptile card measures the intensity of UVB rays from UV fluorescent lamps.
• The card changes colour from White to Purple based on the strength of the UVB rays.
• 2PCS long-lasting plastic card, credit card size, 3.4 inch x 2.1 inch.
• A new high-tech, Non-Toxic, environmentally friendly detection material is printed on the card to measure UVB rays from UVB lamps.
• Can be used up to 500 times. Great handout.