Feature: Can switch multiple radiation dose rate units such as Sv/h,Gy/h, mR/h, , With sound alarm when dose rate and cumulative dose are over .Can adjust the of dose rate and cumulative dose.With date and time display, can adjust the date and time.Can adjust the screen brightness.Specification:model: DM162Product name: Portable ionizing radiation detectorDisplay: LCD screen displaySensor type: geiger counter( counter/ Tube)Radiation dose rate range: 0.01Sv/h-1000Sv/hCumulative dose: 0.01Sv-500.0mSvEnergy response:50KeV~1.5MeV30%(to 137CS-)Sensitivity: 80CPM/Sv/h(to Co-60)Power supply: rechargeable lithium battery 2000mahDC 5V(1A-2A) port charging line( included)Operation temperature: -10C~45COperation humidity: under 80%Material: plasticcolour: blackPackage Contents:1 x Nuclear Radiation DetectorOnly 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.