Tester Practical Lightweight Radiometer Color Indicator Tester Features: [Color LED Indicators] This EMF detector has 5 colorful LED indicators to check the readings day or night, and it can be carried anywhere in your pocket or purse. [Precise Measurements] The tester runs on a single battery and reports measurements over the entire range. [Usage process] The electromotive meter helps to measure the electromotive to identify equipment that produces high radiation and enables the user to determine the degree to limit exposure. [Health Protection] The EMF detector is designed to your health by potential adverse effects from long-term exposure to electromagnetic fields. 【Wide Application】The electromotive meter can be used to test TVs, computers, microwave ovens, refrigerators, printers, mobile phones, low-frequency electrical appliances, etc. Product Description: package including： Detector*1 Manual*1 [Color LED Indicators] This EMF detector has 5 colorful LED indicators to check the readings day or night, and it can be carried anywhere in your pocket or purse. [Precise Measurements] The tester runs on a single battery and reports measurements over the entire range. [Usage process] The electromotive meter helps to measure the electromotive to identify equipment that produces high radiation and enables the user to determine the degree to limit exposure. [Health Protection] The EMF detector is designed to your health by potential adverse effects from long-term exposure to electromagnetic fields. 【Wide Application】The electromotive meter can be used to test TVs, computers, microwave ovens, refrigerators, printers, mobile phones, low-frequency electrical appliances, etc.