For the detection of 20mR or h - 120mR or h of gamma rays and 100 - 1800 off variables or points of the soft ray.Sound and light alarm.Interrupt the output interface, through this interface can be connected to the microcontroller and thendisplayed on the LCD.Supports most of the Geiger tube: M4011, -5, SBM20, J305, etc. (the 330-600V operating voltage of the Geiger tube can be supported).Support the computer (PC) data acquisition, Matlab analysis and processing.Model:-1602-NANOGeiger tube parameters:Technical parameters diameter: 10 0.5mm length: 90 2mmStarting voltage: less than 350VRecommended operating voltage: 380VMinimum plateau length: 80VMaximum plateau slope: 10 percent or 80VExtreme operating voltage: 550VThe maximum count rate: 25 times or minLife: more than 1 x 10 9 pulseMedium temperature: -40 - 55Item size: 118 x 63mm or 4.6 x 2.5inchcolour: blue and greenMaterial: plastic and metalPackage Contents:1 x Geiger Counter KitOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.