The media could not be loaded. It’s seems working pretty good. I tested it in the kitchen and works good so I reinstalled it in the hall way, right outside of my bedroom. That brings the peace in mind, protect me and family. Size is smaller than a power bank for the cell phone. It shows temperature, CO, Gas % & RH % ( relative humidity). When you put it in the outlet, it start countdown the CO/Gas as the video shown to 0 ( as pic 2 ). The digital display is very clear to read. I like that it plugs directly into the wall, so there’s no battery to replace, and the self-test button makes it easy to check that it’s working.

This 4-in-1 Natural Gas & Carbon Monoxide Detector is exactly what every home needs. It detects natural gas, propane, CO, and gas leaks with impressive accuracy, and the plug-in design makes setup effortless. I love the added temperature and humidity readings—super useful for monitoring indoor conditions. The alerts are loud, clear, and reassuring. Having two units gives complete coverage for home or RV. Highly recommend for anyone prioritizing safety!

This upgraded 4-in-1 gas and carbon monoxide detector is an excellent safety device for any home. It detects natural gas, propane, and carbon monoxide quickly and accurately. The dual-sensor design provides extra reliability, and the temperature and humidity display is a very useful bonus. It’s easy to install, just plug it in, and it starts working immediately. The clear digital screen and loud alarm give great peace of mind.

This 4-in-1 gas and carbon monoxide detector is excellent! It's easy to install and gives me great peace of mind at home. I love that it detects natural gas and carbon monoxide with dual sensors and also displays temperature and humidity—very useful features in a single device. The screen is clear, the alerts are powerful, and it responds quickly during tests. It works perfectly. Excellent

This 4-in-1 gas and carbon monoxide detector is excellent! It's easy to install and gives me great peace of mind at home. I love that it detects natural gas and carbon monoxide with dual sensors and also displays temperature and humidity—very useful features in a single device. The screen is clear, the alerts are powerful, and it responds quickly during tests. It works perfectly. Excellent

I purchased this Gas and Carbon Monoxide Detector because where I live we experience frequent power outages, and generator use is very common. Safety was my main concern, and this device has given me real peace of mind.The dual sensor works great, detecting both gas leaks and carbon monoxide accurately. I also really like that it plugs in directly, so there’s no need to worry about batteries. The temperature and humidity display is a nice added bonus and helps monitor indoor conditions, especially during long outages.It’s very easy to install and the alarm is loud enough to be heard throughout the house, which is crucial when generators are running nearby. This detector feels reliable, well-made, and highly practical for homes, RVs, or any area where fuel-powered equipment is used.Overall, this is an excellent safety device and a must have if you live in an area with frequent generator use .