Assurance: Proudly brought to you, this DIY Geiger Counter Kit is meticulously assembled to reliability and efficiency. Originating from , each component is crafted following stringent quality controls. Customization Available: Tailor the Geiger Counter to meet your specific needs. Our kit allows for personal customization, ensuring that you can modify or enhance your radiation detection setup as required. Comprehensive Detection: Equipped with a sensitive Tube, this radiation detector system is capable of detecting types of nuclear radiation, making it an indispensable tool for educational, environmental, and safety applications. User-Friendly Design: This kit comes fully assembled, saving you the hassle of complex setup processes. It's designed for both amateurs and professionals alike, offering a straightforward approach to radiation detection. Educational Tool: Not only a practical device for radiation monitoring, but this Geiger Counter Kit also serves as an excellent educational resource. It helps in understanding the fundamentals of nuclear radiation and the mechanics of detection systems. System Parameters: 1) 5V power supply, or 3 x 1.5V batteries; 4 x 1.2V batteries, current: 12mA - 30mA 2) Detects gamma rays with a range of 20mR/h to 120mR/h and soft rays with a range of 100 to 1800 degenerations/mincm. 3) Audible and visual alarms 4) Interrupt output interface, which can be connected to a microcontroller and displayed on an LCD. 5) compatible 6) Dimensions: 118 x 63 mm Weight: 150g Color: As Shown Material: Electronic Component Package Contents: 1* Pre-welded Geiger counter 1* Geiger tube (J305 or M4011) 1* Power cord Only the above package content, other products are not included. Note: Light reflection 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.