Feature: 1. 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. 2. 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. 3. Product Parameter: Power consumption current: 20mA; Starting voltage:<350V; Recommended working voltage: 380V; Limit operating voltage: 550V; Maximum background count rate: 25 times/minute. 4. 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. 5. DIY Electronics Kit: The kit is suitable for nuclear radiation detector. Reasonable circuit layout design. Unleash your creativity for the most unique electronics! Specification: Item Type: Geiger Counter Kit Material: Circuit board Weight: Approx. 123g/4.34oz Size: 5.1x10x1.2cm/2.01x3.94x0.47in Use: Nuclear radiation detection Power Consumption Current: 20mA Starting Voltage:<350V Recommended Working Voltage: 380V Minimum Ping Length: 80V Maximum Ping Slope: 10%/80V Limit Operating Voltage: 550V Maximum Background Count Rate: 25 times/minute Life: >1x109 pulse Detection: X β γ rays. Package List: 1 x Acrylic Plate1 x Circuit Board1 x USB Line1 x Geiger Tube4 x Long Screw4 x Short Screw4 x Nut4 x Red Gasket