1Radiation Detection: The nuclear radiation detector is suitable for the detection of 20mR/h120mR/h of gamma rays and 1001800 off variables and points of the soft beta rays. 2Upgraded Components: Reasonable circuit layout design, interrupt output interface, which can be connected to and displayed on LCD. 3Audible and Visual Alarm: Counter kit has visual and sound indication of the radiation and can be used as detector of dangerous radiation levels or radioactive materials in your environment. 4DIY geiger counter kit support computer (PC) data acquisition, Matlab analysis and processing. Perfect for MCU software developers that just want to drive geiger tube for their own software. 5Complete Parts: Kit includes all components needed to build a working geiger counter, including a circuit board, sensitive geiger tube, acrylic board, wiring and battery box Item Type: Unassembled Geiger Counter DIY Kit Material: Electronic board Gross Weight: 310g / 10.9oz Geiger Tube Parameters: Technical Parameter Diameter:100.5mm / 0.40.02in Total Length: 90 2mm / 3.50.1in Starting Voltage:1 x 10 pulses Medium Temperature: - 40~55 Plug: USB Battery: AA 1.5v dry battery (3pcs required) (shipped without battery) 76 x Accessories<br><br>1 x Electronic Board<br><br>1 x Acrylic Board<br><br>1 x Battery Box<br><br>1 x USB Cable<br><br>2 x Wiring<br><br>1 x Geiger Tube