Nsrrye 3-Pack Carbon Monoxide Detectors | Plug-in CO and Natural Gas Detector, 4-in-1 Gas & CO Detection with Temperature and Humidity Display for Home & Travel Safety

Nsrrye 3-Pack Carbon Monoxide Detectors | Plug-in CO and Natural Gas Detector, 4-in-1 Gas & CO Detection with Temperature and Humidity Display for Home & Travel Safety

• 【4-in-1 Real-Time Monitoring】Features a large, easy-to-read digital display that simultaneously shows carbon monoxide levels (PPM), combustible gas (%LEL), temperature (°F), and humidity (RH%) — providing comprehensive air quality data at a glance.
• 【Highly Accurate & Sensitive Sensors】Equipped with upgraded, professional-grade sensors to ensure fast, reliable, and precise detection of gas and CO levels, helping protect your family from invisible threats.
• 【Instant Alerts for Dangerous Gas Levels】Triggers an 85dB audible alarm and visual warning when gas concentrations exceed preset thresholds, instantly alerting you to potential leaks or carbon monoxide hazards.
• 【Peace of Mind Around the Clock】Provides continuous 24/7 air quality monitoring for natural gas, CO, temperature, and humidity, helping prevent accidents caused by leaks, poor ventilation, or changing indoor climate.
• 【Versatile Use in Multiple Spaces】Ideal for homes, apartments, kitchens, basements, and other enclosed environments where gas leaks or carbon monoxide buildup may occur. An essential safety device for any household.
• Combustible gases include natural gas, propane, methane, butane, LNG, LPG, etc.
• Tips: open the package, the product is directly plugged into the power supply, count down 60 seconds, and then display a green light, indicating normal operation.