1.Visual, Audible Alarm: The detector can provide audible and visual alarms if radiation is detected. And the alarm value can be set. 2.Sensitive Operation: This detector adopts GM counter, GM counter sensor, which ensures a premium detection sensitivity. 3.Large Battery Capacity: Equipped with a 2000mAh large capacity rechargeable battery, this detector will no longer need to replace the battery frequently, which is more convenient and green. 4.Wide Application: This detector can detect nuclear radiation radioactivity and X ray radial X ray, NDT, radiation of nuclear industry site and nuclear power plant, CT radiation of hospital, iodine 131, etc. 5.Easy Carrying: Comes with a compact size and a light weight as well, you can easily take this detector with you to help with your work.