Geiger Counter High Accuracy Sensitivity Tester Dosimeter For Home Outdoor Description: Material: The Geiger counter is made of high quality material, high strength and can be used for a long time Clear display: large screen, more convenient data reading and convenient key operation Easy to use: Chinese and English can be switched according to your needs, and the non-slip design makes the hand comfortable and not easy to drop With reminder sound and light: you can set the reminder value. When the detected data exceeds a certain range, there will be sound and light reminders, a practical tool Applications: home life, industry, stone, can also be used in materials, environmental testing and other fields Size chart: 4.6cm x 0.5cm x 9.1cm / 1.81" x 0.20" x 3.58" The package includes: 1 Geiger counter 1 charging cable 1 manual Note: