Check the listing for details. Electromagnetic Field Radiation Detector Tester Meter Counter Emission Computer. Condition: New – Open box. Listed at 40.00 USD. Introducing our Electromagnetic Field Radiation Detector Tester Meter Counter Emission Computer, perfect for professionals in the fields of business and industrial, test, measurement, and inspection. This device accurately detects and measures electromagnetic field radiation levels without the need for any elaborate setup. With its advanced technology, this radiation detector can provide you with accurate readings of radiation levels in real-time. It is ideal for use in settings where radiation levels need to be constantly monitored and kept in check. Get your hands on this reliable and efficient device today and experience peace of mind knowing that you are well-protected. Unit appears to be brand new. Battery compartment spotless. I put two aaa batteries in and it fired right up.