describe:1. For ambient and electromagnetic radiation detection: detection and analysis of sources such as bedrooms, offices, computer rooms, control rooms, cables, power lines, monitors and transmitters.2. Electromagnetic radiation measurement of electrical appliances: detection and analysis of sources such as monosodium glutamate batteries, high-voltage cables, lock-circuit computers, hair dryers, lock-circuit televisions, and induction cookers.feature:1. Simple operation, it can quickly measure the intensity of electromagnetic radiation around electrical appliances, cables, and industrial equipment.2. The test bandwidth can be divided into two measurement steps: high frequency and low frequency.3. The test is accurate, and the lowest frequency of electromagnetic radiation measurement can reach 5Hz.4. Value for money and easy to carry.5. The design complies with the CE industry standard. Package includes:1 electromagnetic radiation detector.