Nest Protect Wi-Fi Smoke & Carbon Monoxide Alarm Sale: $29 Off on has the Nest Protect Wi-Fi Smoke and Carbon Monoxide alarm on sale, saving you $29.02 off its regular price, down to $119.98 and it’s Prime shipping eligible. Both the battery and wired versions are available and this price is one of the lowest seen on according to price tracker CamelCamelCamel (the lowest was $109 back in 2015).

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There is an additional option to save $5, if you do subscribe and save on, by using code SUBSAVE, which works for both wired and battery versions:

For a limited time, receive a 15% discount, up to $5, on the first delivery of a new Subscribe and Save subscription using promotion code SUBSAVE at checkout. This exclusive offer must be redeemed by 11:00:00 PM (PT) on October 18, 2017. Enter code SUBSAVE at checkout.

What makes the Nest Protect so great? It connects to your Wi-Fi so it can send you alerts to your phone when it goes off, or when batteries are low. If you’re travelling this is one great way to keep tabs on your home.

Instead of just randomly beeping, the Nest speaks to you and informs you whether smoke or carbon monoxide is detected—and the location, if you have more than one unit, since all Nests communicate with each other.

The Nest Protect has a split-spectrum sensor which uses two wavelengths of light to look for fast and slow burning fires, while it lasts ten years. The ambient light sensor also turns Nest into an automatic night light—probably one of its most underrated features. The Nest will also do self-tests to keep you informed of its status, all the time.

Click here to jump on the Nest sale over on while it’s still available.