Features: High-Precision Detection: Our nuclear radiation detector, utilizing advanced Geiger counter technology, can accurately detect the ionizing radiation from marble, providing you with precise radiation level data. Real-Time Alarm Function: Once the device detects radiation levels that exceed the standard, it will immediately release the alarm, ensuring your health safety in real time. Multifunctional: This Geiger counter is not only capable of detecting ionizing radiation from marble but can also be used in various other situations, such as nuclear power plants and medical facilities, demonstrating its wide applicability. Easy to Operate: Regardless of whether you have professional knowledge, you can easily operate our device. A clear user manual and a simple operating interface allow you to master the usage method effortlessly. Portable Design: Our nuclear radiation detector is designed to be lightweight and easy to carry. No matter where you are, you can perform radiation detection at any time, ensuring your safety. Specifications: Item Name: Nuclear Radiation Detector Main Material: Aluminium Alloy Screen Size: 0.96" TFT color screen Battery: 3.7V 300mAh battery Detection Count: 90mm Geiger counter Measuring Range: 0.08μSv/h ~ 9999μSv/h Working Environment: -10~50°C; Humidity≤95%RH, No condensation Charging Mode: USB-Type-C Color: White Product Size: 100*40*25mm Package Information: Package Size: 15.2*10.1*4.5cm Package Weight: 105g Package List: 1 * Nuclear Radiation Detector 1 * USB Charging Cable 1 * Manual