Portable Carbon Monoxide Detector Outdoor Home Detection Alarm 1. Detection range: 0-1000ppm 2. Working voltage: 5V 3. Warm-up time: 35s 4. Data refresh frequency: 2s 5. Working humidity: 0~95%RH 6. Working temperature: -20-60 degrees Celsius 7. Charging method: Type-c interface 8. 1.9-inch high-definition color screen, equipped with high-precision sensors, real-time monitoring of CO gas concentration is more accurate, and reading is more intuitive and convenient 9. 0 seconds real-time detection, intelligent alarm, 2 seconds data refresh 10. Built-in electrochemical carbon monoxide detection high-performance chip to ensure more accurate instrument detection 11. Adopt high-digit electrochemical carbon monoxide sensor to accurately detect environmental data 12. Adopt upgraded Ammorc algorithm, the power-on test only takes 35s for the numbers to stabilize, which can effectively reduce data fluctuations and monitor more stable and faster 13. 3D porous air duct design improves air volume penetration rate, accurately calculates the content of tiny particles, close to the multi-faceted openings of the sensor, and real-time air circulation convection monitoring is more accurate 14. It can not only detect the carbon monoxide concentration in the environment, but also detect the temperature and humidity in the indoor air. It can be used as a thermometer and hygrometer at ordinary times 15. One-key brightness adjustment, intelligent power saving mode, and long-lasting battery life 16. High-performance battery 603040, 700mAh large-capacity polymer lithium battery, safe and durable, and ultra-long battery life 17. Widely used in various indoor and outdoor places, indoors, kitchens, restaurants, cars, homes..., can effectively avoid gas poisoning, explosions and other accidents 18. Size: 85x50.6x17mm