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Halo is a smoke alarm with built-in weather warnings


Stay safe

This smoke alarm is smarter than most. As well as picking up on the usual harmful carbon monoxide, it will tell you when a storm is approaching so you can batten down the hatches.

It’s called Halo, not to be confused with Hailo, the taxi app. Amazingly, ionization-only smoke detectors won’t pick up on smouldering fires for the first 15 minutes for close to an hour. And a lot of damage can be done in that time.

Halo has two sensors – ionization and photoelectric – to pick up on any kind of fire as soon as it starts.

As well as fires, it will warn you of severe weather approaching. It flashes blue when a tornado is in the area, and can be programmed to detect hurricanes, floods and other natural disasters. Red flashing means it’s detected a fire, while amber means there are high levels of CO2.

It will also tell you via a voice alert that something is wrong. Something along the lines of: “Elevated CO2 in the living room, move to fresh air!”

You’ll also get alerts on your smartphone, so you can know the state of your home from wherever you are.

Read more: Nest Protect review

It comes with either a rechargeable battery, or a model that takes replaceable batteries. Four AA batteries will last two years with average use. And it doubles as a night light that you can adjust from your phone.

It’s smashed its funding goal and should ship in October.

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