Smartwares Carbon Monoxide Detector Alarm

You can't see carbon monoxide, you can't smell it, but it can be lethal. This detector sounds an 85dB alarm when CO levels get dangerous, giving you time to get out and ventilate. It's got a BSI-approved sensor that lasts ten years, so you're covered for the long haul. Test button lets you check it's working properly. Runs on three AA batteries, which are included. Fits on a wall in the hallway, near the boiler, or anywhere you've got fuel-burning appliances. Simple setup, no wiring required. The ten-year lifespan means reliable protection without frequent replacements. Works with most homes that have gas boilers, wood burners or other fuel-burning equipment. Compact design mounts easily wherever you need it. Batteries come in the box so you can set it up straight away. Ideal for keeping your household safe from an invisible, odourless threat that traditional smoke alarms won't detect. Test button operation. 10 year sensor life. Batteries required: 3