Ecsem Electromagnetic Radiation Detector EMF Meter Tester with battery 50Hz-2000MHz NEW Electromagnetic Radiation Detector EMF Meter Tester Easy to operate, fast measurement of the intensity of electromagnetic radiation. Low cost and great for home, office, computer, fax machines, air conditioners, fridges and anything Designed to meet CE standard(With English manual) LCD display, 1999 max reading/ Working temperature: -15 C to 60 C /Measurement time intervals: 0.4 seconds