This meter is applied to measuring electromagnetic fields of 2.45 GHZ (microwave frequency) or normal (50MHZ~3.5 GHZ). It is capable of measuring the electromagnetic field radiation intensity that is produced from welding equipment, microwave oven and other environment causes Microwave oven leakage detection Display: 3-3/4 digits LCD, maximum reading 3999 Resolution: 0.001mW/cm2 Frequency response: 50MHz to 3.5 GHz Sensor: Single Axis Accuracy: ±2 dB at 2.45 GHz ± 50MHz Over load: LCD display “OL” Sample rate: 2.5 times per second Battery: 9V NEDA 1604, IEC 6F22 or JIS 006P Battery life: Approximate 100 hours Operating temperature & humidity: 5℃to 40℃,below 80% RH. Storage temperature & humidity: -10℃to 60℃, below 70% Accessories: User’s manual, 9V battery, carrying case. MW-A3G User Manual