1. Portable Size: This handheld nuclear radiation detector is portable in size and easy to carry, so you can put it in your bag take it with you, and grip it for use. 2. 0.96-inch TFT Display: This nuclear radiation detector features a 0.96-inch TFT color display screen, and multiple unit displays that allow you to read the detection data clearly and easily, and you can get results in time. 3. Radiation Detect: The detector is used to measure X, , and rays radiation, it is optimal for measuring small changes in radiation levels and has a high sensitivity for most commonly used nuclides. The detection is more accurate. 4. Easy to Operate: The instrument features a 90mm G-M counting tube that enjoys high flexibility and can measure the environmental backgrounds. Support the measurement of instantaneous dose rate, cumulative dose, and the dose. 5. Multifunctional Design: The alarm value can be set by the user, it will promote an alarm sound when over the limit ranges, and timely alarm to safe use. Sound, flashing light, and vibrating triple alarm functions. Support 7 languages, suitable for scenarios portable use. Lithium Battery: Built-in 280mAh capacity rechargeable lithium battery, low consumption and support for repeat use, economical and practical. Wide Applications: This radiation tester can be widely used in nuclear power plants, accelerators, the iron & steel industry, the chemical industry, isotope applications, radiology laboratories, and ambient monitoring of nuclear facilities. Detection count:90mm Geiger counter Measuring range:0.08usv/h-9999usv/h Charging mode:Type-C Measurement object:X, Y, -Ray nuclear radiation Colour:White Material:ABS Size:100x40x25mm Package Contents: 1 x Nuclear radiation detector 1 x USB charging cable 1x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.