1. Three- signal detection: High-sensitivity three- sensing probe (X-, Y-, Z-) 2. Temperature and humidity measurement: There are 12 air holes on the back sensor for accurate measurement of temperature and humidity 3. High-definition VA anti-display color screen: Ultra-clear digital and analog dual display, clear at a glance 4. USB Type-C charging: Built-in 1000mAh 3.7V lithium battery, 5V/1A charging cable fully in about 4 hours 5. Multi-purpose display: Widely used in homes, offices, living areas, industrial equipment, distribution rooms, high-speed railways, signal base stations, etc. Colour:As Shown Material:plastic Package Contents: 1 * Electromagnetic radiation detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.