Bosean Electronic's FS-600 X-ray, Beta, and Gamma detector is capable of detecting nuclear radiation across a wide energy range of 50kev-1.5mev with an alarm threshold of 0.5 (adjustable). A real particle sound, alarm sound, or mute allows you to experience the product with an LCD Screen as you never have before. This powerful device is crafted with durable ABS material and can be powered by either 3 AAA batteries or USB. With a lightweight of only 130g, you can easily transport and use this detector where you need it! Get ahead of the game with the innovative Geiger Counter Nuclear Radiation Detector.