Microwave Leakage Detector, Accuracy +/-1 W/cm2, Frequency Measurement - Maximum 2.4 GHz, Frequency Measurement - Minimum 2.4 GHz, Number of Digits 4, Testing Functions Microwave Oven Radiation Frequency Levels, Features One-Handed Operation, Detects Low Levels of Microwave Leakage, Alert Type Light, Sound, Electric Inductance Measurement - Maximum Not Applicable, Electric Inductance Measurement - Minimum Not Applicable, Magnetism Measurement - Maximum 9.99 mW/cm2