UV SENSOR (2PCS)

UVB Tester Reptile Lamp UV Sensor Reptile UVA UVB Fluorescent Lamp Tester Card, Set of 2 - 5.4x8.5cm

This reusable card can measure ultraviolet (UV) radiation accurately in 10 seconds. Hold the card under the UV lamp at the binding point (5 cm from the lamp) to check whether the lamp is emitting UVB or not.

The "purple" light will appear on the card under the UV lamp and means that the lamp still has UVB. Replace the lamp regularly or sooner, or if the card has no color, the card can be used up to 500 times when.