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Electrochemical sensor technology detects CO gas

Easy installation, no wiring needed, detects during a power failure by operating on 2-AA batteries (included); Install on a wall of your home or place on a tabletop

Easy to take along for hotel and vacation rental monitoring

Green LED indicates power to the carbon monoxide detector, while an 85-decibel alarm & a red LED indicates the presence of carbon monoxide

Event Memory records the last time carbon monoxide was detected or when the unit was last tested

Easy Installation - simply plug-in to a standard, 120V outlet in your home

2-AA battery backup provides protection during a power outage

85-decibel alarm announces when carbon monoxide is detected

Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested

Test-Hush Button makes testing the detector or silencing false alarms easy

End of life chirp notifies you when the alarm needs to be replaced

UL listed with a 10-Year limited manufacturer warranty on the alarm only (not a battery performance claim). Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that replacement is needed.

【3in1 Integrated CO detectors】Our newest 3in1 carbon monoxide detectors Integrated carbon monoxide, temperature and humidity sensors, 2s refresh real time to detector the environment safety for us. Real time tell us the potential carbon monoxide gas hazards.

【Plug in&Play design】US standard plug is compatible with 110V to 220V AC outlet. Fits all US standard AC outlet in bedroom, kitchen, living-room, basement, hotel room, office etc. All the data real times shows on the 2.1'' HD screen.

【Built-in 1000 mAh rechargeable backup battery】Provides 90-96h working time, helps to cope with sudden power outages, and also we can use it as a portable carbon monoxide detectors(short 3 day trip). Rechargeable design can help you save the cost of purchasing disposable batteries multiple times.

【All gas environment safety we care】 Built-in UL2034 standard independent CO sensor, HD screen visible and 85 dB audible design is real time detect the gas environment, bring you extra safety for your and family. To create a full house safety warning for you.

【Wider detecting range】CO range: 0-999ppm, when the CO is >50ppm, the 85dB alarm will sound. Temperature range: 14°F ~ 122°F,±5%. Humidity range : 0 ~ 95%RH,±5% RH.

High Accuracy and Reliability:Shyeeh carbon monoxide detectors has a built-in advanced electrochemical sensor that detects dangerous CO levels more accurately and alarm more quickly.

Alarm Criteria:Safeguard your home with Shyeeh co detector specific alarm thresholds: 50ppm (alert within 60-90 mins), 100ppm (within 10-40 mins), and ≥300ppm (within 3 mins). In case of danger, the carbon-monoxide detectors gives an alarm of no less than 85dB to 215-430ft²(20-40m²) to alert you.

Bttery Pwered,Easy to Istall:You can mount carbon monoxide alarm on the wall or ceiling with screws (Include). Powered by 3 * 1.5V AA batteries (Not Included), no socket required, not affected by power outages, and can continuously monitor carbon monoxide levels to ensure your family's safety.

Real-time Data LCD display:The co monitor provides 24-hour real-time monitoring, making it easy to read the level of carbon monoxide in your surroundings and protect your family from an invisible threat.

Home Protection:According to data analysed in the United States, a home fire occurs every 38 seconds. The earlier the danger is recognised, the risk of death is reduced by 50%. The carbon monoxide detectors monitor will protect your home from the dangers of CO and eliminate the need to pay high detection fees for suspected carbon monoxide leaks.

Plug-in carbon monoxide comprehensive detector: The plug-in carbon monoxide comprehensive detector clearly displays the changes in temperature, humidity, and carbon monoxide concentration in the home. The installation location is not restricted. The plug-and-play design is more convenient to use and supports the US standard 110V-220V AC power socket.

Easy to use: Equipped with advanced temperature, humidity and carbon monoxide sensors, the product does not require any operation. Just plug in the power supply to use it normally. The button can switch the temperature and humidity, screen brightness, switch buzzer and other functions.

Alarm function: We have upgraded the alarm function. When the concentration exceeds 50PPM, the product will quickly issue an alarm sound of more than 85dB to remind you that there is carbon monoxide gas in the surrounding environment and you need to open the window for ventilation in time.

3-speed brightness adjustment design: You can press the brightness adjustment button to adjust the brightness. When you choose to turn off the screen brightness, the indicator light on the screen will flash every 30 seconds to remind you that the product continues to detect the surrounding air quality. Please note: The screen indicator light will only flash when the screen brightness is turned off.

Self-test function: The carbon monoxide concentration is usually displayed as 000PPM. If you want to regularly check whether the product is working properly, you can press the "O" button to perform a self-test. When the product enters the self-test step, short press the "O" button to make a "beep" sound, then the green light flashes 3 times, and the red light flashes 3 times, indicating that the product is working properly and the self-test step is over.

4-in-1 Advanced Detection: This upgraded 4-in-1 gas & carbon monoxide detector combines sensors for natural gas, carbon monoxide, temperature, and humidity in a single compact device. Features dual sensors and dual alarms for fast, accurate alerts. Detects CO, methane, propane, LPG, LNG, butane, alcohol, coal gas, and more.

Quick Alert with Dual Alarm System: RV carbon monoxide detectors designed with both sound and flashing light alerts, this detector activates when gas levels reach dangerous thresholds (CO ≥ 150PPM or natural gas ≥ 5%LEL). It emits a loud ≥ 85 dB alarm and flashing red light, alerting you and your family instantly in the event of a leak.

Energy-Efficient & Eco-Friendly: Carbon monoxide detectors plug-in design supports 110V–220V AC with ultra-low power consumption (≤ 2W). Built-in electronic sensors offer long-term use without the need for frequent replacements—saving energy and reducing waste for a more sustainable home safety solution.

Clear LCD Display & Versatile Use: Equipped with a full-color LCD screen, this detector clearly displays real-time values of CO (0–2000 PPM) and natural gas (0–10% LEL). Its compact form factor makes it ideal for use in homes, RVs, hotels, kitchens, and cruise cabins without taking up extra space.

Important Setup Instructions: Before first use, remove the protective film from the screen. After plugging in, wait 180 seconds for calibration. Press the test button to check the alarm. For accurate temp and humidity, allow 30 minutes.

【4-in-1 Upgraded Gas & Carbon Monoxide Detector】Designed with a large digital display, it detects and displays temperature, humidity,natural gas and carbon monoxide levels in real time for your peace of mind

【4-in-1 Upgraded Sensor】Highly Reliable, Sensitive and Accurate Sensor

【Combiantion Gas & Carbon Monoxide Detector】When the dangerous gas reaches the default value, the device will immediately display the dangerous gas concentration and 85dB alarm.

【4-in-1 Real-time Display】Carbon monoxide level(PPM), combustible gas level(%LEL), temperature(°F) and humidity(RH%)

【Applications】4-in-1 gas & carbon monoxide detector is suitable for home, kitchen, apartment and etc.

4-in-1 Advanced Multi-Sensor Detector: IQYEF Carbon Monoxide Detector combines natural gas leak, carbon monoxide, temperature, and humidity sensors, offering robust functionality, dual-sensor technology, and a dual alarm system. It responds swiftly to threats, ensuring comprehensive protection for your family's and your personal safety.

Instant Dual Alert Mechanism: IQYEF carbon monoxide detector features an integrated sound and light dual alert system. Upon detecting unsafe gas levels (CO exceeding 150PPM or natural gas reaching 5%LEL), the red light will flash continuously while a loud alarm (exceeding 85 Db) sounds as a warning reminder.

HD Display of Real-Time: Portable carbon monoxide detector and propane detector features an LCD color display for clear numerical readouts. It has the capability to detect carbon monoxide levels ranging from 0 to 2000PPM and natural gas levels from 0 to 10%LEL.

Versatile Use& Reliable Power:Our carbon monoxide detector Equipped with a built-in 3000mAh high-capacity backup battery, it continues to operate for up to 24 hours during power outages. Whether in the kitchen, bedroom, garage, or outdoor settings like camping and RV travel, it reliably safeguards your gas safety.

Eco-Friendly & Energy-Efficient Design: Carbon monoxide detectors plug in is compatible with AC power ranging from 110V to 220V. With a static power consumption of no more than 2W, it boasts enhanced energy-saving capabilities.

Notice: Kindly remove the protective film prior to use. Once plugged in, allow the detector 180 seconds to acclimate to its environment. Subsequently, press the self-test button to activate the alarm sound.

4-IN-1 COMBO GAS & CO DETECTOR:This 4-in-1 combo gas and carbon monoxide (CO) detector combines the power of four essential monitoring functions: carbon monoxide (CO) (0–2000 PPM), combustible gas (0–10% LEL), temperature (1–176℉), and humidity (0–95% RH). Designed with a sensor that ensures accurate readings, this portable device offers continuous air quality monitoring for home, office, garage, RV, or travel.

ADVANCED 3-STAGE ALARM SYSTEM:The alarm system features a 3-stage alert with both audible and visual indicators. The alarm rings at 85dB when CO levels reach 51 PPM, with icons indicating safe (Green), warning (Yellow), and dangerous (Red) levels. The device can detect combustible gases and other hazards, such as cigarette smoke or flammable substances. The sensor responds quickly to methane, and other gases, ensuring safety across all purpose scenarios, whether in your home or during camping.

COMPACT & EASY TO INSTALL:This compact, handheld device is easy to install and fits any standard 110-220V outlet. Its small size makes it perfect for home use, in a hotel room, or while traveling. The large digital display shows carbon monoxide, gas concentrations, temperature, and humidity levels, allowing you to monitor air quality.

USER-FRIENDLY OPERATION:This device is intuitive and easy to use. It also has a rechargeable feature, with an emergency backup battery to keep monitoring in case of power failure. Use it in emergency situations such as fire alarms or gas leaks, and rest easy knowing you're protected by a device that detects various threats like carbon monoxide, methane, and explosive gases.

VERSATILE & WIDELY USED:This essential safety device is perfect for a wide range of uses: home, garage, car, RV, boat, camping, hotel, and even mobile applications. Whether you're monitoring the air for CO, flammable gases, or humidity levels, this monitor provides constant feedback to ensure safety. It’s a smart solution for fire safety, gas leak detection, smoke, and even radon monitoring. The compact, handheld design also makes it perfect for traveling, outdoor adventures, and marine use, ensuring you're always prepared for hazardous situations.

SHOP WITH CONFIDENCE:Your safety is our priority. With a 3-year service guarantee and lifetime technical support, our customer service team is ready to assist you with any issues related to CO detection, gas monitoring, or alarm functionality. Whether you’re using it for home monitoring, car use, or camping, this device is the best tool for providing peace of mind and protection. All our detectors are UL listed for guaranteed quality.

High Sensitivity and Rapid Response: Equipped with an advanced Carbon Monoxide Detector Chip and electrochemical sensor, our CO Gas Monitor Alarm quickly detects odorless, invisible, and deadly carbon monoxide in the air.Respond quickly to protect your life.

Easy Installation: Our YTBASE carbon monoxide detector provides continuous monitoring of CO levels, ensuring the safety of your family. No need for wiring, just insert 2 AA batteries (not included) and it's ready to detect, even during power failures.

Multiple Alarm Standards: Be alerted at different levels of carbon monoxide concentration. 50ppm sounds an alarm within 60 to 90 minutes, 100ppm sounds an alarm within 10 to 40 minutes, and 300ppm sounds an alarm within 3 minutes. Stay informed and take prompt action.

Simple to Use: Featuring a single test/reset button, our CO detector is user-friendly. When dangerous CO levels are detected, the red light flashes and a loud 85-decibel alarm sounds, ensuring the safety of your loved ones and property.

Wide Application: Suitable for various environments where carbon monoxide may be present, such as your home kitchen, bedroom, bathroom, hotel, or during outdoor activities like barbecuing or in parking garages. Stay protected wherever you are.