1.Real-time measurement and alarm function:The device continuously monitors and displays the measured values of radiation, electric field strength and magnetic field strength and their corresponding units. And evaluates the danger level according to the alarm threshold set for each measured value 2.Flexible radiation unit settings:The device allows users to select the radiation measurement unit. Available units include μs v or h, or h, mR or h, , CPM, etc 3.Alarm record display function:The alarm record page displays the alarm records in sequence, with the serial number increasing from the oldest to the latest. Each record contains the type of data that triggered the alarm (for example, radiation, electric field strength, magnetic field strength) and the specific date and time when the alarm was triggered 4.Various alarm modes:This area is highlighted, indicating that the alarm mode setting is entered and the corresponding setting content is displayed. There are three alarm modes: indicator light, vibration, and volume alarm. The three can be matched with each other and according to the user's wishes Screen: 2.4-inch color screen Backlight: Brightness Adjustable Power supply: TYPE-C (5V or 1A) Battery: 1500mAh Languages: Chinese, English Nuclear Radiation Range: 0.01usv or h-999.99usv or h Units: usv or h Accuracy: 0.01usv or h Electric Field Range: 1V or m - 1999V or m Units: V or m Accuracy: 1V or m Magnetic Field Range: 0.01μT-99.99μT Units: μT Accuracy: 0.01μT Radiation Power: 0.2-1000mW or m² (The product appearance and printed words depending on the batch, but this does not affect use) Color: Black Material: ABS Package Contents: 1 x Radiation Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.