More fake UVC "sterilizing" lamps from China! (with schematic)
16:52
Fake UV disinfection lamp from eBay.
15:26
fixing a faulty light with powerful built in fan (awesome chip inside)
10:37
Are cheap UV detection cards any good?
12:16
Inside a UV nail-gel curing light with unusual LEDs.
12:36
Hacking fake UVC germicidal LED lamps.
7:29
How to know if a UVC device will be safe and effective
11:38
How Ultraviolet Radiation Affects Plants with Dr. Bruce Bugbee
8:16