This phone accessory spots hidden cameras in 5 seconds — SweepLED prototype uses LED reflections and could cost only $7

SweepLED can spot hidden cameras by varying its illuminationAI can detect camera lenses by the light that gets reflected backThe accessory fits on the back of a camera and works in secondsUnless you're in the safety of your own home, there's always a worry that you're being surveilled without your knowledge — when you're in an Airbnb, hotel room,...