1GM Counter with Energy Compensation: Geiger counter nuclear radiation detector can detect X ray ray and X ray. The sensor is added with energy compensation, X ray detection is more accurate. 2Built in Memory: The nuclear radiation detector has a built in memory, and some data such as cumulative dose value, dose rate alarm threshold and dose alarm threshold will not be lost after power failure. 3Multiple Screen Display Functions: You can arbitrarily adjust the alarm threshold, switch between Chinese and English, screen backlight, real time dose rate curve display function, etc. 4Multiple Functions: Enter the setting interface to adjust the alarm preset value, time, Chinese English switching backlight mode, curve display, particle sound switch and other functions. 5Good Features: The nuclear radiation detector has a membrane keyboard, is beautiful in appearance, small in size, light in weight and strong in sealing. It is dustproof, oil stain proof, acid and alkali resistant, earthquake resistant and has a long service life. 6Fixation of Battery Cover Screws: The battery cover screws are fixed to prevent the inconvenience caused by the battery falling due to accidents caused by special reasons in special scenes. 7Hanger Back Clip: When your hands are occupied during work, you can hang nuclear radiation detector on your clothes or belt.1 x Nuclear Radiation Detector 1 x English Manual1 x USB Cable 1 x Cross Screwdriver