smoke detector smoke and carbon monoxide detector，smoke alarm，CO Detector smoke detector, Carbon Monoxide Alarm,5 Year Battery OperatedLCD Display and Sound Warning for Home, Bedroom, Kitchen，(3 Pack)

Features:

• Combo Smoke and Co Detecor: Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms
• 5 Year Battery Operated: This combination smoke detector and carbon monoxide detector alarm provides 5 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety
• Practical LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm; if a CO concentration of 30-999 ppm exists for a certain time period, the screen will be backlit blue, and the LED indicator will flash red 4 times every 5.8 seconds
• A loud 85-decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise,Easy to Install and Use: The alarm can easily install with mounting bracket.No hardwired anymore
• A built-in LCD allows you to see any changes in the levels of carbon monoxide in your home and the device’s battery status; to save power, it will only activate when tested, or if the CO ppm reaches a certain level for a certain period of time
• Battery test: Need to test the battery of the product every week to ensure the use of the product
• Clean the alarm regularly to avoid dust clogging, which may cause the smoke detector to lose sensitivity.
• ARRANTY AND SERVICE: Our products provide after-sales service. If you have any questions about our products, you can contact us, we will reply to you as soon as possible within 24 hours.

model number: RC427COM

Package Dimensions: 6.1 x 5.0 x 4.8 inches