1. Dual Alarm Modes: This geiger counter kit module features both audio and visual indicators, ensuring timely alerts and notifications.Stay informed and alerted with our nuclear radiation detector's dual alarm modes. The built-in audio and visual indicators provide immediate feedback, keeping you aware of potential radiation levels. 2. Multi-function Tool: Equipped with real-time dose rate, average dose rate, cumulative dose rate, graph functions, this assembled diy geiger counter kit offers comprehensive radiation monitoring capabilities. Gain full control over radiation monitoring with our nuclear radiation detector. It provides real-time dose rate measurement, calculates average dose rates, records cumulative dose rates, and displays trend graphs for a comprehensive understanding of radiation levels. 3. OLED Display Screen: Featuring a compact OLED display screen, our geiger counter circuit board kit delivers clear and precise measurement readings, allowing for easy data interpretation.Experience the convenience of our detector's OLED display screen. Its compact size ensures clarity in displaying measurement results, enabling you to easily read and interpret radiation data. 4. Fast Detection: Powered by an ARM processor, our assembled radiation detector module achieves rapid calculation speeds and processing capabilities. Advantage from fast and efficient radiation detection with our detector. The integrated ARM processor enables quick calculations and powerful data processing, ensuring swift and accurate measurements. 5. Wide Range Applications: Suitable for detecting X-rays, gamma rays, and rays, our tube nuclear radiation detector board is ideal for measuring radiation levels in various materials such as marble, jade, products, iodine-131, and unknown minerals.Explore versatile applications with our nuclear radiation detector. It can effectively detect X-rays, gamma rays, and rays, making it suitable for analyzing radiation levels in different materials such as marble, jade, products, iodine-131, and unidentified minerals. Radiation Tester DIY Geiger Counter Kit OLED Display DIY Geiger Counter Circuit Board Parts with Sound Light Alarm Assembled DIY Geiger Counter Kit Gamma Lodine 131 Detecting J321 pipe specification: Diameter: 00.5mm Total length: 902mm Starting voltage: Less than 350V Recommended working voltage: 380V Minimum Length: 80V Maximum flat slope: 10%/80V Limit working voltage: 550V Maximum background count rate: 25 times/min Service life: 1x109 pulse Test: Gamma X RayRadial Geiger tube: j321 (compatible with M4011) Screen resolution: 128 * 64 MCU:ARM Display accuracy: 0.001usv/h Detection display range: 0-9999usv/h Power supply: USB, 5V, 500mA Circuit board size: about 120.00x83.00x20.00mm (4.72x3.27x0.79inch) Color: As Shown Material: plastic Package Contents: 1 x Geiger Counter Kit Module 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.