JD3001 Geiger Counter Nuclear Radiation Detector Monitor Portable Dosimeter Electromagnetic Radiation Detector Feature: 1. With large clear digital display, the readings could be easily seen even if in dark or sunshine when to turn on the back light function. 2. Onehanded operation, easy to move for onsite measurements, effectively identify the signal source and locate the signal position. 3. With data viewing, saving and output functions, it can meet the needs of various work scenarios. It can measure nuclear radiation and electromagnetic radiation. 4. The large screen displays the temperature and humidity conditions at the same time and provides more information at the same time. 5. With timing shutdown, threshold alarm function. High sensitivity, wide measuring range and long service life. The body is small and easy to operate. Specification: Item Type: Nuclear Radiation Detector Material: ABS Color: As shown in the picture Model: JD-3001 Battery Type: 3.7V lithium battery (built-in) Battery Capacity: 2600mAh Operating Temperature: 0~ 50 Operating Humidity: Relative humidity 10%RH ~ 80%RH Nuclear Radiation: Response Time: 3s Dose Rate Response: