PEACE OF MIND: With a digital display and an advanced sensor, the FA3322 offers the highest level of CO detection for your home. When high CO levels are detected, 4 loud chirps, a red LCD, and flashing safety advice will alert you to ‘EVACUATE!’. TEMPERATURE AND HUMIDITY ALERTS: The FireAngel carbon monoxide alarm also provides temperature and humidity readings. Warnings will sound if either reach extreme highs or lows, making the device perfect for bedrooms and living spaces. LIFETIME BATTERY: Each digital CO monitor contains a 10-year battery sealed within, offering protection for the lifetime of the device without ever needing to change the batteries. LOW LEVEL CO WARNING: When low CO levels are detected over a sustained period, an early ‘pre alarm' will sound. The alarm pattern includes 1 short chirp followed by 1 long chirp, an amber LCD screen, and a flashing ‘WARNING’ with CO PPM values. PORTABLE CARBON MONOXIDE DETECTOR: Each device comes with an integrated mounting bracket and screws for an easy-to-fit setup. Measuring 120 x 76 x 31 mm, it’s compact enough to travel with, providing on the go holiday protection. SAFETY ASSURED: The FA3322 carbon monoxide monitor has been rigorously tested and is certified to Kitemark standard KM551504. Suitable for domestic premises only. FIREANGEL HOME PROTECTION: In addition to our CO detectors for home use, we offer a wide range of other safety products designed to protect you and your family. Choose from smart and wireless devices, as well as standard fire, smoke, and heat alarms., Weight: 0.26675933702 Pounds, Manufacturer: FireAngel Safety Technology Ltd.