Multifunctional detection: This EMF detector accurately measures electric field intensity, magnetic field strength, radiation power, and static magnetic polarity, helping users identify electromagnetic radiation from home appliances and WiFi routers. Smart alerts: Equipped with dual audible and visual alarms, the device instantly notifies users when readings exceed safety levels, providing proactive protection against EMF exposure. Intuitive color display: The 0 TFT color screen offers a graphical waveform display of fluctuations, and the bilingual menu is designed for accessibility by both professionals and novices. Longlasting power: Builtin rechargeable lithium battery supports up to 20 hours of continuous use. Type C fast charging enables quick recharging, and auto sleep mode conserves energy during extended monitoring. Use scenarios: Home environment: assess EMF from WiFi routers, smart TVs, microwaves, and other common appliances to identify exposure areas. Office or workspace: monitor EMF levels from computers, printers, wireless devices, and networking equipment to maintain a safe work area. Travel or hotel rooms: evaluate unfamiliar rooms to ensure sleeping areas and workspaces have acceptable EMF exposure levels.