About this item

• ¡¼2 in 1 Smoke and Carbon Monoxide Detector¡½- Combo alarm features advanced photoelectric and electrochemical sensor technology to sensitively monitor smoke and CO gas, while minimizing false alarms. Dual functionality eliminates the need for multiple devices, saving you time, money and space.
• ¡¼10-Year Sensor with Built-In Power¡½- This smoke & carbon monoxide detector equipped with a 10 year lifespan stabilized sensor and sealed 3V lithium battery, protecting your loved ones from the silent threat for a full decade.
• ¡¼Visualization of CO Levels¡½- The smoke detector system collects air samples every 10s, the carbon monoxide detector system collects air samples every 16s and clear display of CO concentration levels on the LCD screen. In addition, the 3-color LED indicators give you an overview of the device operating status at a glance.
• ¡¼One-Touch Test & Mute Button¡½- When a smoke or CO threat is detected, the unit emits a powerful 85dB audible alarm(¡Ã85dB at 3M), providing you with critical time to react and evacuate safely. And the one-touch button design allows you to quickly turn off the alarm and test the device weekly.
• ¡¼Perfect Size for Home & On-the-Go¡½- Kttrey compact carbon monoxide tester measures only 5.3x5.3x1.0in, 0.44lb, which is not only suitable for home use, keep it in your bag or suitcase when you're traveling or on a business for peace of mind along the way.