【Durable Material】: The shell of the Geiger counter is made of high-quality materials, which have 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 setting, system clock setting, unit setting, and language change. Operation available in English (default). Easy one-handed operation. 【Application Areas】: This full-function radiation tester is widely used in environments with ionizing radiation, such as 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) Types of detection: Gamma, X-ray, Beta Detection technology: Energy compensation tube (Geiger-Müller tube) Package Includes: 1 Piece Digital Electromagnetic Radiation Tester 1 Piece Charging Cable Note: Please allow 1–3mm measuring deviation due to manual measurement. Due to differences in monitors and lighting effects, the actual color of the item may vary slightly from the images shown. Thank you!