Gm3120 Handheld Radiation Detector Electromagnetic Radiation Measuring Instrument Monitor as picture show

--can test electric field and magnetic field radiation at the same time.

--Sound and light alarm: When the detection result exceeds the safe value, the instrument will automatically alarm.

--Data lock: One-key lock radiation value.

--Radiation assessment: Remind you to determine whether the radiation value is within the safe range.

--Large and clear LCD screen, easy to read.

--Fashion design, small size, simple operation, easy to carry, convenient for on-site measurement.

Description:
Name: Radiation Detector

Unit: V/m (electric field); μT (magnetic field)
Accuracy: Electric field: 1V/m; Magnetic: 0.01μT
Range: Electric field: 1-1999V/m; Magnetic: 0.01-99.99μT
Alarm threshold: Electric field: 40V/m; Magnetic: 0.4μT
Display: 3-1/2 LCD display
Test bandwidth: 5Hz-3500MHz
Sampling time: about 0.4 seconds
Test Mode: Dual Mode Synchronous Test
Over-range indication: LCD displays "1"
Working temperature: 0°~50°C
Relative humidity: <80%
Storage temperature: -10~50°C
Relative humidity: 0~70%
Power supply: 1x9V 6F22 battery (not included)

Packing list:
1 x Radiation Detector
Note:
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.