High sensitivity, wide measuring range, has a long service life.<br> Smaller body, larger screen, clearer measurement data and easier operation.<br> Radiation detector dosimeter for everyday use BR-9A help to avoid radiation hazrd in everyday life<br> With mute, alarm, particle sound selection button, test, mean value reset retest selection button, backlight can be turned on or off.with USB charging port<br> Applications: High frequency IF low frequency, magnetic field, power density, mobile phones, routers, microwave ovens, televisions, signal towers, desk lamps, substations, washing machines, refrigerators, computers, copiers, impressions, walkie-talkies, Bluetooth devices, transformers, troubleshooting, chargers, Mobile phone base station, high voltage electric tower, electric motor and other electrical equipmentFeatures:<br> High sensitivity, wide measuring range, has a long service life.<br> Smaller body, larger screen, clearer measurement data and easier operation.<br> Radiation detector dosimeter for everyday use BR-9A help to avoid radiation hazrd in everyday life<br> With mute, alarm, particle sound selection button, test, mean value reset retest selection button, backlight can be turned on or off.<br> with USB charging port<br> Applications:<br> High frequency IF low frequency, magnetic field, power density, mobile phones, routers, microwave ovens, televisions, signal towers, desk lamps, substations, washing machines, refrigerators, computers, copiers, impressions, walkie-talkies, Bluetooth devices, transformers, troubleshooting, chargers, Mobile phone base station, high voltage electric tower, electric motor and other electrical equipment<br> Test range:<br> Power density: 0-99.999uw/cm2<br> Electric field strength: 0-999.99 v/m<br> Magnetic field strength: 0-99.999uT<br> Test accuracy:<br> Power density: 0.001uw/cm2<br> Electric field strength: 0.01v/m<br> Magnetic field strength: 0.001uT<br> Frequency Range:<br> 50MHZ-5GHZ Power density<br> 20HZ-100MHZ Electric field strength<br> 20HZ-1MHZ Magnetic field strength<br> Specifications:<br> Power supply: 3 * 1.5V AA batteries or 1.2V rechargeable battery<br> Charging: USB 5V 2A input<br> Charging time: 4hours<br> Size: 105*70*30mm<br> Package included:<br> 1 * BR-9A Electromagnetic