Features: Ensure your health and safety with our Electromagnetic Radiation Tester, for precise detection of electromagnetic emissions. Featuring high sensitivity sensors and display, this portable device is crafted from plastic and PCB board, making it lightweight and easy to carry. Ideal for appliance repair technicians, and environmental monitoring professional seek reliable radiation measurement tool. Perfect for home environment assessments, office area evaluations, school laboratory research, and electronic equipment maintenance. This detector is a essential tool for anyone look to Monitors and manage electromagnetic exposure in various setting, ensuring peace and a safe living or working environment. Specifications: Material: Plastic, PCB Alarm: Sound and Light Auto Shut: About 15 Minutes Using Environment: 0-40℃/40-80%RH Power Supply: 3xAAA Battery Requires(NOT Include) Package Includes: 1pc Electromagnetic Radiation Detector note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.