FNIRSI GC-03 3 In 1Electromagnetic Nuclear Radiation Detector For Seafood Environmental Use 1. Three-in-one detection: electric fieldmagnetic fieldnuclear radiation monitoring. One device safeguards your environmental safety 2. Geiger-Müller tube significantly enhances sensitivity for detecting radioactive radiation compared to short tubes 3. Three interfaces for flexible switching: Professional Mode provides clear insights into current environmental conditions; Quick View Mode displays readings instantly, while Curve Mode tracks radiation fluctuations over time 4. Dual-theme display settings ensure easy radiation reading visibility regardless of ambient lighting conditions 5. Customizable alarm thresholds with triple alerts: audiblevisualvibration alarms deliver immediate danger notifications 6. Convenient Type-C charging with a 1500mAh high-capacity battery for extended standby time, ensuring long-lasting safety protection 7. Compact and portable design for easy carrying 8. Intuitive rotary knob for simple operation 9. Real-time curve recording with 50 alarm event storage. Switch to curve mode to monitor value changes live, while storing up to 50 exceedance alerts for post-event review Parameters 1. Screen: 2.4-inch color display 2. Backlight: adjustable brightness 3. Power supply: Type-C (5V1A) 4. Battery capacity: 1500mAh 5. Language: Chinese, English 6. Detected radiation types: ionizing radiation (γ-rays, etc.) 7. Detector: energy-compensated GM tube (Geiger counter) 8. Current dose rate: 0.00-10000μSvh (10mSvh) 9. Cumulative dose equivalent: 0.00μSv-500.0mSv 10. Sensitivity: 80 counts per minute per microSievert 11. Alarm modes: light, vibration, sound 12. Size: about 13.8 x 6.3 x 3.2 cm 13. Weight: about 141 g