• 3 Packs Upgrade Combination Gas & Carbon Monoxide Detector Plug in Plug and play, Easy to install, 4-in-1 sensor, Real-time monitoring display and alarm
• 2-in-1 Gas & Carbon Monoxide Sensor Adopting catalytic combustion sensor and electrochemical sensor, real-time monitoring and displaying the concentration of combustible gas and carbon monoxide, with sharper and more accurate sense of smell
• TemperatureF and Humidity SensorReal-time detection and display of temperature and humidity, let you know the environment in real time.
• 85dB Alarm SoundCombination gas and carbon monoxide detector will alert you immediately when the combustible gas or carbon monoxide concentration reaches the default value.
• Large Screen DesignColor display with bigger and clearer digital display.
• ApplicationCombination gas and carbon monoxide detector is suitable for home, restaurant, apartment, office, hotel, petroleum plant, gas station, campervan, etc.
• Item weight: 0.1 pounds
• Power source type: AC-Plug-in