1. For nuclear wastewater, food nuclear radiation, industrial nuclear radiation, medical nuclear radiation hard detection 2. Real-time measurement and detection, high precision 3. Geiger counter tube, professional radiation detection 4. Chinese and English bilingual system 5. Sound, light and vibration triple alarm 6. Real-time value range: 0-99.99usv/h 7. Measurement object: X, gamma, beta ray detection 8. Measurement accuracy: 0.01uSv/h 9. Resolution: 0.01uSv/h 10. Battery capacity: 2000mAh 11. Size: about 16 x 7 x 3.5cm 12. Weight: about 170g