4 Pcs Quick Test Uvb Sensor, Reptile Uv Tester Heating Lamp Photochromic Uvb Card Indicator, Reused 500 Times

PACKAGE INCLUDED: 4 pcs UV sensor testing card with sleeve, easy to store and carry

10 SECONDS QUICKLY TSETING: Place the card at the irradiation point under ultraviolet light (within 2 inch from the lamp) and wait for 10 seconds to detect whether the lamp has ultraviolet rays

EFFICIENT JUDEMENT: Before UV detection, the cartoon lizard pattern is the detection area, and the detection area becomes white. After UV detection, the detection area changes from white to purple

RECYCLE USE: The card can be used 500 times when used in increments of 10 seconds

NOTE: Fit for 3.0 ~10.0 UVB bulb and Fluorescent bulb, and please put the card in the ticket or store it in a dark place when not use