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We hope you love our recommendations! Some may have been sent as samples, but all were independently selected by our editors. Just FYI, BuzzFeed and its publishing partners may collect a share of sales and/or other compensation from the links on this page.
@Kevin's parents in Home Alone.
It's powered by AA batteries (they're included), and it's way more sensitive to the odourless gas than people are. It displays the levels of carbon monoxide in the air via a digital display, and it alerts you via alarm when it gets dangerously high. You can test and silence the alarm any time you like!
Price: £13.46.
These locks can withstand forces up to 100kg (i.e., a lot), and they're key-operated so you can lock and unlock them hassle-free. They work on loads of different surfaces, from uPVC to wood and metal, and they're easy to fit too. You can open your windows for ventilation without having to worry.
Price: £4.69 for one.
You won't have to wait until your windows have been opened for one of these alarms to activate, because they work by picking up on vibrations rather than relying on a direct press. They've got an ultra-slim design, work on all windows (including sliding windows), and are designed not to be set off by things like rain and wind. Plus, the adhesive backing makes installation incredibly easy!
Price: £24.99 for a pack of four.
This light is activated by motion, so if there's something moving around near your home, you'll know about it. It can be set to work only at night, or you can choose to run it 24/7 instead! The light is really bright, and you can choose how long you want the light to stay on for once it's activated. Its aluminium frame is weatherproof and durable, and it's energy-efficient too!
Price: £13.99.
It's got a wide lens, so you'll be able to see a lot from a little camera! It connects to your phone, so you'll be able to monitor and answer the door even when you're away. You can talk to whoever's outside your door as well, and its motion sensor will turn a light on whenever it senses movement.
Price: £62.99.
Bank statements, bills, and other sensitive documents won't end up being seen by anyone else if you shred them, and cross-cut shredders do a really thorough job! This one's got a 12L bin capacity (that's a lot of paper).
Price: £23.39.
It might seem counterintuitive to write down your passwords physically, but actually, there isn't usually much of a crossover between internet hackers and IRL thieves. Varying your passwords is a great way to stay safe online, but it can be really difficult to remember all of them, which is where physically writing them down can come in handy! This notebook is designed to hold sensitive info, and it's got a handy three-digit lock so nobody but you can open it. The paper's thick and high-quality too!
Price: £12.97.
This one is made from highly durable carbon steel and has a three-digit combination lock. Just pop it in your bookshelf and its convincing cardboard cover will hide it from view! James Bond who?!
Price: £6.99.
Worried about other animals entering your home, or just uneasy about the idea of having part of your front door completely accessible 24/7? This cat flap won't open unless it's activated by a chip, which comes in the form of a fob that you can attach to your pet's collar.
Price: £14.49.
By keeping your handles bonded together, this lock makes it really difficult for your patio doors to be broken into. It's really easy to install (just slide it over the handles), and customers say it's durable and effective too.
Price: £19.99.