PI Tip UV Light Pens

So, you have a client that needs you to check their house for bugs. After a sweep for devices, here is a tip for you to use. Once the location has been determined to be clean of devices, grab a set of UV light pens and use the markers on each of the screws for each of the plates. Light switches, electrical switches, any plate on the wall. This way, if you come back you can use a UV light on the plates and see if the screws have been turned at all.

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Last update on 2025-12-31 / Affiliate links / Images from Amazon Product Advertising API