I got a Philips air purifier with such a sensor, it's a different one though (it's oval and just white at the sides). I would not recommend it purely because t

I got a Philips air purifier with such a sensor, it's a different one though (it's oval and just white at the sides). I would not recommend it purely because they decided to use an extremely poor touch interface for control which quiet often doesn't register when I try to manually adjust something like shutting the unit down temporarily or resetting an error code