4 Packs Plug in Carbon Monoxide Detector, Gas and Natural Detectors for Home/Apartment/RV/Camping, with Battery Backup -

Dual Power Supply Co monitor plug in wall with 9V backup battery, the alarm can still work normally when power outage or traveling. falseSimple to Use Plug in carbon monoxide detectors plug and play, after 60 seconds of preheating, the green light is always on to work normally. false- Combination Gas & Carbon Monoxide Detectors 2-in-1 new alarm for detecting carbon monoxide and gas concentration.
Package including: 4 x Carbon Monoxide and Gas Detectors, 4 x Spare Batteries, 4 x Instruction Manuals.
Warm tips: if plugged into the power supply to use, please take out the built-in spare 9V battery in advance.
- 24-Hour Real-Time Monitoring The gas and carbon monoxide detector contains a catalytic combustion sensor and an electrochemical sensor, the sensor has high sensitivity and high accuracy, the LCD display shows the value changes in real time, allowing you to detect abnormalities in time.
- 85DB High Volume Alarm When carbon monoxide exceeds the limit or combustible gas leaks, the natural gas alarm will emit an 85-decibel siren, allowing you to react quickly and make the right choice.
- Dual Power Supply Co monitor plug in wall with 9V backup battery, the alarm can still work normally when power outage or traveling.
- Simple to Use Plug in carbon monoxide detectors plug and play, after 60 seconds of preheating, the green light is always on to work normally.
- Widely Used Carbon-monoxide detector can be used in a variety of places such as bedrooms, kitchens, garages, camping, basements, and offices etc. The 4-pack of natural gas detectors for home use can detect multiple places at the same time, protecting you and your family's safety in all aspects.
- Support Service We provide one year support service for carbon monoxide and natural gas detectors. If you encounter any problems while using this detectors, you can contact us by e-mail, we will reply within 12 hours. Customer satisfaction is our tireless pursui