This microwave leak detector is equipped with a digital LCD readout

Protect yourself and those around you. Obtain exact radiation level readings with excellent reliability. Be alerted when the leakage level is in a dangerous zone, as unit will sound a beeping alarm and display a red flashing lamp. Unit detects a range of 0-9.99 mW/cm2 with 0.01 resolution. Never needs recalibration, and operates on a 9V battery (not included).