Product details:

The Quell Carbon Monoxide Alarm provides you and your family with a loud warning signal in response to elevated levels of carbon monoxide in your home. The digital display feature allows for easy viewing of carbon monoxide levels and the 10 year limited warranty lasts the life of the alarm.

This battery operated CO alarm provides continuous monitoring of CO levels. Ideal for use in all living areas and can be installed on the wall, where the digital display can easily be seen, or used freestanding on a table or shelf. It is also conveniently portable so it can be taken away on holidays or used on boats or in caravans for added peace-of-mind.

Features:

Peak level memory - displays the highest CO concentrate measured since the last reset.
Self activation - alarm automatically activates when attached to the mounting bracket.
Test/Reset button - tests the alarm circuitry and horn. Resets memory after the alarm has sounded.
LED indicators - Flashing green LED every 30 seconds indicates the unit is operating properly. Pulsing red LED with alarm indicates a dangerous level of carbon monoxide has been detected. Amber LED indicates the unit is in fault mode.
Deactivation switch - disables the alarm to allow for safe battery disposal once the unit has reached the end of its 10-year life.
10 year limited warranty - Provides peace-of-mind with a decade of carbon monoxide detection.

Specifications:

Power Source	2 x AA batteries included
Smoke Sensor	Electrochemical
Audio Alarm	85+ dB at 3 metres
Size	116 x 72 x 40mm
Weight	0.10 kg
Interconnects	No
Temperature	Operating range : 0C to 40C
Humidity Operating range	Up to 90% relative humidity (RH) non-condensing
Approvals	Carbon Monoxide Alarms complying with BS EN 50291-2 : 2019