Material: ABS Size: 5" x 2.56" x 0.91" RF / Power Density: 0 - 99.999 W/m² Magnetic Field Strength: 0 - 99.999 µT Electric Field Strength: 0 - 999.99 V/m [Backlight Digital Display Design] - The radiation detector features a backlight digital display, making it easy to read in low-light conditions at night or bright daylight for improved visibility. [EMF Meter Electromagnetic Field Radiation Detector] - This device detects RF field strength, magnetic field strength, and electric field strength. It includes an alarm function to alert users when levels are detected. Material - Constructed from ABS material for durability. Portable - Compact design with dimensions of 12.7 cm x 6.5 cm x 2.3 cm, suitable for handheld use. [Suitable Scenes] - This electromagnetic radiation detector is suitable for home environment testing, power substation assessments, and mobile signal tower monitoring.