Electromagnetic radiation detector, digital tester with LCD screen, simultaneous magnetic field measurement for evaluation

Features:1.A dual-purpose instrument that can simultaneously test electric and magnetic field radiation.
2.Audible and visual alarm: When the test result exceeds the safety value, the instrument automatically alarms.
3.Data lock: Press a button to lock the radiation value.
4.Radiation evaluation: To remind you to ensure the radiation value remains within the safe range.
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