JD-3001 Geiger Counter Nuclear Radiation Detector - Portable Radiation Monitor for Alpha Beta Gamma Rays, EMF Meter for Home & Emergency Use | Ideal for Nuclear Safety, Workplace Monitoring & Survival Kits

Feature:1. High Quality Material: The Geiger counter is made of high quality ABS material, which is sturdy and durable to ensure long term use.2. Easy to Read: The Geiger counter can be digitally displayed and equipped with a backlight for easy reading.3. Easy to Operate: Geiger counter has timing shutdown, threshold alarm function, simple operation.4. Multifunctional: Geiger counter has data viewing, saving and output functions. Meet the needs of various work scenarios.5. Multi Display: The screen displays temperature and humidity conditions at the same time, providing more information at the same time.How to Use:1. Short press the "SET" key to enter the menu page, long press the "SET" key to exit the menu page2. Language setting: 4 operation pages are provided in Chinese, English, Japanese, and Russian. Move the cursor bar to the desired option and press the "SET" key to confirm.3. Function switching: Move the cursor bar to the desired option, and press the "SET" key to confirm.4. Time setting: move the cursor bar to the desired option, short press the "SET" key, the background turns red, press the "+" key or "‑" key to set.5. View data: Move the cursor bar to the&