Product name: Electromagnetic Radiation Tester Power supply: 9V battery (not included) Measurement range: 0-20 mG; Accuracy: ±5% Measurement frequency: 50/60 Hz Key benefits - Detects low frequency magnetic fields to help you assess exposure and locate EMF sources near appliances and wiring - Simple, portable instrument suitable for quick checks at home, in the office, or on the go - Uses a standard 9V battery for easy replacement and long service life What makes it stand out - Clear, defined measurement range and accuracy for reliable readings - Compact, easy to handle for one handed operation during inspections - Focuses on everyday low frequency fields relevant to routine safety checks Use scenarios - Home: evaluate EMF levels near refrigerators, microwaves, or other electrical devices - Office: survey desks and workstations around computers, printers, and power strips - Field work: inspect electrical panels, wiring in new spaces, or construction sites for EMF presence