Buying guide
Choosing a home security camera system
Cameras, video doorbells, and smart locks all promise peace of mind — here's how to work out which combination your home actually needs.
The problem
"Home security" covers cameras, video doorbells, and smart locks — three genuinely different products often marketed as one category. Buying the wrong combination for your actual situation is a common, avoidable mistake this guide aims to prevent.
Key considerations
Work out what you're actually worried about first. Package theft at the door, general perimeter awareness, or controlling who can get in without a key are three different problems with three different best-fit products.
Subscription dependency is a real ongoing cost, not a one-time decision. Cloud video storage is often subscription-based. If a product depends on a subscription for core functionality (not just "nice to have" extras), that's a recurring cost to budget for, not a footnote.
Installation difficulty changes what "buy it today" actually means. A battery-powered wireless camera can be up in minutes. A wired system may need a qualified installer and a lead time before it's actually protecting anything.
Warranty term is worth comparing directly, especially for anything mounted outdoors and exposed to weather.
Recommended products
Which is right for you
| Product | Installation | Subscription | Power source | Warranty |
|---|---|---|---|---|
| Xiaomi Smart Camera C500 Dual | DIY — Easy | Optional subscription | Mains powered | 12-month supplier warranty (assumed default — confirm before launch) |
| Xiaomi Outdoor Camera CW400 | DIY — Moderate | Optional subscription | Mains powered | 12-month supplier warranty (assumed default — confirm before launch) |
| Hikvision Fixed Dome Outdoor Security Camera 4mm Lens | DIY — Moderate | No subscription required | Mains powered | 12-month supplier warranty (assumed default — confirm before launch) |
| Xiaomi Smart Camera C300 Dual EU | DIY — Easy | Optional subscription | Mains powered | 12-month supplier warranty (assumed default — confirm before launch) |
| Xiaomi Smart Doorbell 3S | DIY — Moderate | Optional subscription | Rechargeable battery | 12-month supplier warranty (assumed default — confirm before launch) |
| Xiaomi Smart Self Install Lock with Keypad | DIY — Moderate | No subscription required | Replaceable battery | 12-month supplier warranty (assumed default — confirm before launch) |
FAQs
Do security cameras need a subscription to be useful?
Not always, but many rely on cloud storage subscriptions for extended video history and remote clip review. Some support local storage instead. Check "subscription dependency" on each product page before assuming ongoing footage access is included free.
Can I install a security camera system myself?
Many are DIY, wireless, and battery- or mains-powered with no wiring changes needed. Wired systems or ones requiring drilling and cabling may need professional installation. Check the installation-difficulty field on the specific product before buying.
Do I need a video doorbell and a smart lock, or is one enough?
They solve different problems — a video doorbell tells you who's there; a smart lock controls who gets in without a physical key. Many households start with one, usually a camera or doorbell, and add a smart lock later. There's no single right combination; it depends on what you're actually worried about.