Detect 3 Types of EMF: Detects three common types of EMF: AC magnetic, AC electric, and microwave fields. Ideal for home, office, or areas near smart meters and cell towers Tricolor LCD & Alert: Tri-color LCD (green, yellow, red) clearly shows EMF levels. Audible alert sounds when readings exceed safe levels, helping families easily identify high-radiation areas Easy Handheld Operation: Compact and lightweight, easy to operate with one hand, perfect for quick EMF checks around your home Customizable Settings: Mute the buzzer for quiet environments and enable or disable auto power-off to save battery while performing extended measurements. The device features an automatic shutdown after 15 minutes to save battery life. If you need continuous measurement, you can disable the APO function: Press and hold the 'APO' button to turn off the auto power-off feature Clear Illuminated Screen: Tri-color LCD with backlight ensures visibility in low-light conditions. For accurate results, hold devic