Main Function: The nuclear radiation detector kit is used to detect 20mR/h‑120mR/h γ rays and 100‑1800 soft switches β Variation, point, cm2 of ray. DIY Electronics Kit: The kit is suitable for nuclear radiation detector. Reasonable circuit layout design. Unleash your creativity for the most unique electronics! Multi Purposes: Support sound and light alarm. This interface can be connected to a microcontroller and then displayed. Support computer (PC) data acquisition, Matlab analysis and processing detection. Product Parameter: Power consumption current: 20mA; Starting voltage:<350V; Recommended working voltage: 380V; Limit operating voltage: 550V; Maximum background count rate: 25 times/minute. Applicable People: Suitable for those who study on the mechanism of gas ionization, for detecting house radiation, for no welding experience, for students in circuit and electronic welding, etc.