1. Nuclear radiation,can detect X, , Ray .<br> 2. Trend graph, Particles sound, Alarm sound, Display sound.<br> 3. Built-in Geiger counter, which is characterized by accurate measurement and high range.<br> 4. Measure the dose rate real-time, and record the cumulative dose at the same time.<br> 5. The dose rate alarm threshold and dose alarm threshold can be continuously adjustable and arbitrarily set.<br> 6.Can view the start date of the current cumulative dose.<br> 7.Have dual alarm functions of dose rate and dose value.<br> 8.With buzzer sound alarm function.<br> 9.When the radiation dose rate exceeds 50mSv/h,it has a blocking warning prompt function (display 999MAX).<br> 10.Built-in memory,the accumulated dose value,dose rate alarm threshold and dose alarm threshold data will not be lost after power off.<br> 11.Continuous monitoring of battery power,Low battery reminder function.<br> 12.With real-time dose rate curve display function.<br> 13.Screen backlight ON/OFF function.<br> 14.Particle sound ON/OFF function.<br> 15.The external Type-C interface can be used for power supply.<br> Detectable species: Beta,Gamma,X-ray<br> Sensor type: G-M tube<br> Energy range: 48kev-1.5mev less than 30%<br> Relative intrinsic error: less than plus or minus 10%<br> Sensitivity: 80cpm/SV/Co-60<br> Measuring range: 0.1Sv/h-50mSv/h<br> The maximum dose equivalent rate: 10mSv/h<br> Voice source: real particle sound/alarm sound /mute<br> Alarm threshold: 0.5 (Adjustable)<br> The use of ambient temperature: -10 -+45<br> Relative humidity: less than 95%<br> Power supply: 3.7V 1800mAh battery<br> Item size: 127 x 65 x 27mm<br> Item weight: 145g/5.1ounce<br> Colour:As Shown<br> Material:ABS<br> note:Accessories colors are random,no specified colors are accepted<br> Package Contents:<br> 1 set * nuclear radiation detectors<br> Only the above package content, other products are not included.<br> 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.