Description One of the key features of this magnetic field detector is its ability to detect magnetic fields that are not visible, making it suitable for use in areas with limited visibility. It is commonly used for testing TVs, computers, microwave ovens, low-frequency household appliances, and other electronic devices. Features - Color: Black - Material: ABS - Size: 15.00 x 5.50 x 3.00 cm / 5.89 x 2.16 x 1.18 in - Power supply: 1 x 9V battery (not included) - Equipped with 5 LEDs indicating field strength levels: Dark Green - "Normal" area - typical background magnetic field (0 to 1.5 mG) Green - "Low" zone - low-level magnetic field (1.5 to 2.5 mG) Yellow - "Warning" area - medium magnetic field (2.5 to 10 mG) Orange - "High" zone - high magnetic field (10 to 20 mG) Red - "Warning" zone - extremely high magnetic field (20+ mG) - This EMF tester helps measure electromagnetic fields to identify potential sources of radiation. - The magnetic field detector is an electronic device designed to measure the strength of electromagnetic fields. - The EMF meter allows users to assess exposure levels, offering a practical solution for home environments. - This magnetic field detector is a portable tool for identifying invisible and intangible magnetic fields, serving as a useful instrument across various applications. - The EMF meter can be used to test electronic devices such as TVs, microwave ovens, refrigerators, computers, and cell towers. Package List 1 x Meter