Ei208 Battery Carbon Monoxide Alarm with AudioLINK Technology

Silent Protection Against the Invisible Killer

Carbon monoxide (CO) is known as the "silent killer" because it is a colorless, odorless, and tasteless gas that is poisonous to humans. The Ei208 Battery Carbon Monoxide Alarm from Aico provides dependable, long-lasting protection when you need it most, without the hassle of battery replacement or wiring concerns.

Sealed 10-Year Battery Means True Peace of Mind

The Ei208 is powered by a sealed in lithium cell with a 10-year lifespan. This means you won't need to replace the battery at any point in the life of the alarm and that the battery cannot be removed ensuring continued protection. Unlike traditional alarms that require annual battery swaps, the Ei208 delivers genuine "set it and forget it" convenience without compromising on dependability.

Proven Electrochemical Sensor Technology

The sensor is proven electrochemical, 100% calibrated and tested with CO gas to ensure accuracy. Alarms with electrochemical sensors are more stable during humidity and temperature changes and resist reacting to common household chemicals that may cause false readings. This advanced detection technology continuously monitors your home's air quality, checking CO levels every 4 seconds to catch dangerous accumulations before they become life-threatening.

AudioLINK+ Technology: Smart Monitoring at Your Fingertips

What truly sets the Ei208 apart is its built-in AudioLINK+ technology—an innovative feature that bridges traditional safety devices with modern smartphone convenience. AudioLINK+ extracts the same data as AudioLINK, however it does so in a quicker and quieter manner to reduce disturbance, with the average time to take a report being 4-7 seconds. Simply download the free AudioLINK+ App and hold your smartphone next to the alarm to extract a detailed, color-coded Alarm Status Report that includes:

• Alarm activation history
• Carbon monoxide levels detected and background CO measurements
• Battery status and sensor performance
• Testing records and complete alarm diagnostics

Data extraction can be carried out on-site without having to remove the alarm ensuring continued detection. Contractors and landlords can instantly verify alarm integrity and generate email-ready reports for compliance documentation—particularly valuable as AudioLINK has proved popular with social landlords as it can be used as part of the property checks prior to changing over to new tenants.

Maximum Audibility When Seconds Count

The alarm horn produces 85dB (A) at 3m, delivering a loud, penetrating alert that wakes sleepers and demands attention. The distinctive alarm pattern—3 rapid pulses followed by a half-second pause—clearly communicates that this is a CO emergency requiring immediate evacuation and fresh air.

Intelligent Status Indicators

The Ei208 features clear LED indicators that tell you exactly what's happening: a flashing green light indicates normal operation, red means CO has been detected, and amber signals a fault condition. This visual component is particularly important because green and red lights give visual safety cues to people with hearing loss.

Flexible Installation for Any Room

The compact, 12 cm diameter circular design fits seamlessly into any home environment. With its twist-on mounting base featuring multiple fixing points, the Ei208 easily mounts to ceilings or walls—the most effective placement for CO detection. We recommend CO Alarms are fitted both near and in bedrooms, particularly if bedroom doors are closed at night. Installation is straightforward with supplied screws or freestanding placement options.

Built-In Testing and Memory Function

A convenient test/hush button lets you verify that all systems are functioning—testing the sensor, battery, electronics, and sounder in seconds. The memory feature records the last CO level detected, which is invaluable if you've been away from home and want to check whether any dangerous gas accumulation occurred during your absence.

Long-Term Reliability and Legal Compliance

The Ei208 provides seven years of active detection, with an "End of Life" indicator that notifies you when replacement is due. The Aico EI208 complies with a law that came into effect on 1st October 2015, requiring all private landlords of residential premises in England to have fully working smoke alarms and carbon monoxide detectors at the start of any new tenancy. This makes it an ideal choice for rental properties and new tenancies.

Why Choose the Ei208?

In a market flooded with unreliable options, the Ei208 stands apart through its combination of proven detection technology, genuinely maintenance-free operation, and intelligent data extraction capabilities. More than 400 people in the U.S. die from accidental CO poisoning every year, which is why investing in a detector with proven accuracy and long-term reliability matters. The Aico brand has built its reputation on devices that protect families and comply with the strictest safety standards—the Ei208 is no exception.