$9.90 (as of 16/09/2020 16:49 PDT details )
Features:
- Green UVC test card effective test for UV device with UVC light
- Purple UVA UVB test card effective test for UV device with UVA UVB Light
- How it work take 1 CARD under the Light if Card changes to Luminescent color then your device are effective light if you don t know which type your Light is pls contact your device seller.Every card can be tested over 500 times. it s a PVC card not paper card.
- NOTE1 test card only turns Luminescent color when exposed to a light. It will resume normal color immediately if you move test card away from the light
- NOTE2 for some phone box UVC Bag with zipper or only work under cover close situation . Step 1 put test card inside phone box UV Bag Step 2 starting your phone video recorder function to record color change Step 3 put inside your Mobile to phone box UVC Bag. at last you can check the video . this is the easy way to check your light are working good