Features 1、USB RECHARGEABLE: Electromagnetic field radiation detector support USB charging for longer usage time. come with small size, easy to carry 2、MULTI METHOD ALARMS: Radiation assessment, sound and light alarms when radiation exceeds the standard, stable and reliable 3、3 MEASUREMENTS AT SAME TIME: Three measurements of electric field, magnetic field and radio frequency, and display at the same time 4、STABLE AND EASY TO OPERATE: Adopt excellent software algorithm, bring stable reading. Come with color display, easy to operate 5、MEASURE HIGH AND LOW FREQUENCY: Imported high speed operational amplifier, simultaneous measurement of high and low frequency electric and magnetic fields Specification Item Type: Electromagnetic Field Radiation Detector Material: ABS Specification Electric Field Magnetic Field High Frequency or Power Density Range 0-2000V/m 0-100uT 0-1000uw/cm2 Resolution 0.01V/m 0.01uT 0.01uw/cm2 Exceeded yellow alarm 40V/m 0.4uT 40uw/cm2 Exceeded red alarm 400V/m 20uT 200uw/cm2 Frequency measurement range 6HZ-5GHZ Battery Built in 3.7v 400mAh polymer lithium battery Charge Charging Voltage: 5V; Charging Current: Greater than or equal to 1A Green Light On: Charging; Green Light Turns Off: Fully charged Display 1.8in color TFT display, 4 level brightness adjustment Package List 1 x Host 1 x USB Cable 1 x User Manual