【Durable Material】: The shell of the Geiger counter is made of high-quality materials, offering good heat and cold resistance, high strength, and good toughness. 【Easy to Operate】: Features a large screen display for convenient data reading and simple button operation. 【Nuclear Radiation Detection】: Geiger counter with built-in high sensitivity, wide measurement range, and long service life. 【Multifunctional】: The radiation dosimeter monitor tester includes various settings such as alarm, system clock, unit selection, and language change. Operable in English (default). Designed for easy handheld use. 【Application Areas】: This full-function radiation tester is widely used in environments with ionizing radiation, including home inspection, geological survey, industrial inspection, nuclear power plants, radiology, and laboratory settings. Specification: Size: 12cm x 7.8cm x 1.2cm / 4.72inch x 3.07inch x 0.47inch Language: English Battery Capacity: 1200mAh Dose Rate Range: 0.00–1000μSv/h (10mSv/h) Detection Types: Gamma, X-ray, Beta Detection Technology: Energy-compensated Geiger-Müller tube Package Includes: 1 x Digital Radiation Detector 1 x Charging Cable Note: Please allow 1–3mm variation due to manual measurement. Due to differences in monitors and lighting effects, the actual color may vary slightly from images.