Specification:

•  Unit: electric field: V / m, the magnetic field: μT
•     Accuracy: electric: 1V / m, magnetic 0.01μT
•     Range: electric: 1-1999V / m, magnetic 0.01-19.99μT
•     Alarm Threshold: electric: 40V / m, magnetic 0.4μT
•     Reading display: 3 1/2 LCD display
•     Test Bandwidth: 5Hz - 3500MHz
•     Sampling time: About 0.4 seconds
•     Test mode: Bimodule Synchronous test
•     Over range indication: LCD displays "1"
•     Operating Temperature: 0C-50C
•     Operating Humidity: < 80%
•     Operating voltage: 9V
•     Dimensions: 63.6 * 31 * 125.8mm
•     Weight: 146g
•     Power: 9V 6F22 battery