1.3 in 1 Radiation Detector — key benefits Combines electricfield, magneticfield, and radiation measurement in one compact tool so you can assess overall electromagnetic exposure without carrying multiple instruments. Builtin sensor and microcontroller chip provide accurate realtime readings for reliable onthespot decisions. Portable, batterypowered design makes it practical for home, office, and industrial inspections. What this device does and why you need it Detects unsafe or elevated EMF levels quickly, helping you identify sources and reduce prolonged exposure for family members, coworkers, or equipment. Wide frequency coverage and resolution let you test common sources such as power lines and electronic appliances with confidence. Fast sampling (every 0.4 seconds) and a configurable alarm help you spot transient spikes and persistent problems before they become longterm issues. Key specifications and performance Electric field range: 1 V/m to 1999 V/m. Magnetic field sensitivity: from 0.01 μT with resolution. Frequency bandwidth: 5 Hz to 3500 MHz — compatible with a broad range of common radiation sources. Display: clear 31/2 digit LCD showing measured values. Sampling rate: updates every 0.4 seconds for rapid feedback. Alarm: visual/audible alert when readings exceed 40 V/m or 0.4 μT. Design, size and operating conditions Compact and lightweight: 152 x 52 x 26.5 mm, 125 g — easy to hold, store, or carry in a toolkit. Power: 3 AAA batteries (not included) for field convenience and quick battery replacement. Operating range: 0 °C to 50 °C, relative humidity below 80% — suitable for most indoor and outdoor inspection conditions. Practical uses and scenarios Home: Check bedrooms, living areas, and children's rooms near Wi‑Fi routers, power adaptors, or meters to reduce unnecessary exposure. Office and workstation: Survey desks, server rooms, and meeting areas to identify strong EMF sources that may affect health or sensitive electronics. Field inspections and industrial sites: Measure around power lines, industrial machinery, and electronic equipment during routine safety checks or site assessments. What makes it stand out Three measurement capabilities in one compact unit reduce cost and complexity compared with buying separate meters. Fast sampling and an automatic alarm give clear, actionable signals when levels exceed set thresholds. Simple, readable LCD and portable form factor make it suitable for both professionals and non‑technical users who need dependable EMF information. Included/required Device powered by 3 AAA batteries (not included).