Welcome to our store! This Geiger counter is a versatile tool that can be used for various purposes: 1. Building Detection: Detect radiation in building materials and marble to ensure your safety, as natural radionuclides can be present and harmful to health. 2. Jewelry Detection: Check radiation levels in necklaces, rings, and other jewelry items, especially those containing zirconium, a common source of radiation in jewelry. 3. Food Detection: Ensure the radiation safety of food, particularly mushrooms and berries, by using the Geiger Counter to detect any contamination from the environment. 4. High Accuracy: This radiation detector meter offers precise detection of B, y, and X rays with high sensitivity, minimal error, and clear data display for easy readability. It is compact and portable for convenience. 5. Rechargeable Battery: Powered by a 1300mAh lithium battery that is rechargeable via USB, the Geiger Counter can be used for indoor and outdoor radiation detection, monitoring, and in similar environments. Product Details: - Item Type: Geiger Counter - Material: ABS - Size: Approx. 13.5 x 7 x 2.3cm/5.3 x 2.8 x 0.9in - Detection Type: B, y, and X Ray - Energy Range: 20kev-3.2mev≤±30% (137Cs-) - Sensitivity: 80cpm/uSv (Co-60) - Test Accuracy: 0.01uSv/h - Real-Time Range: 0-999.9uSv/h - Accumulation Range: 0-9999msv - Real-Time Error: 10% - Average Error: ≤3% - Battery: 2 x 14500 1300mAh Lithium Battery (included) - Plug: USB Cable - Use: Nuclear Radiation Detector - Gross Weight: Approx. 246g/8.7oz Package Includes: - 1 x Geiger Counter - 1 x Manual - 1 x USB Cable - 2 x Battery 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.