Ever wondered just how many devices around you release some sort of EMF waves? Well, fret no more with the CellSensor EMF Detector. I suppose you could be a general nuisance in your home, climbing all over the place just to see if the readings picked up by the CellSensor are within the safe range or not. While there isn’t exactly any definite guidelines yet, at least you have a better idea on which are the worst offenders in your home when it comes to radio frequency radiation and low-frequency magnetic fields. The CellSensor EMF Detector will retail for $29.95 and is powered by a single 9V battery.