⇈One-Hand Operation: This Electromagnetic Radiation Detector can lock the max/average with one click and keep the data. You can use it to measure magnetic field radiation and electric field radiation. It supports the one-handed operation and automatically shuts down after 5 minutes of inactivity. ⇈High Precision: Our detectors measure radiation with high sensitivity and precision. The built-in magnetic radiation sensor displays the radiation value on the digital LCD screen after chip processing.