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Smart Security

Cameras, video doorbells, smart locks and motion sensors, including privacy considerations.

10 articles
Best Smart Safes

Best Smart Safes

We compared smart safe listings to find options with biometric access, Wi-Fi alerts, and secure storage, from compact bedside models to larger safes for multiple items.

Gadget Sleuth Editors Oct 31, 2026
Best Video Doorbells

Best Video Doorbells

We compared manufacturer listings to find video doorbells suited for different needs, from an overall pick with zoom to a budget-friendly option with wide-angle video.

Gadget Sleuth Editors Oct 24, 2026
Best Smart Locks

Best Smart Locks

We compared smart lock listings to find options with built-in Wi-Fi, fingerprint access, and versatile code management for keyless entry and remote control.

Gadget Sleuth Editors Oct 24, 2026
Best Indoor Security Cameras

Best Indoor Security Cameras

After comparing specs and features from manufacturer listings, we found indoor security cameras for different needs, from a compact plug-in model to ones with full-room pan-and-tilt coverage.

Gadget Sleuth Editors Oct 24, 2026
Best Smart Motion Sensors

Best Smart Motion Sensors

We compared manufacturer specs for smart motion sensors to find picks for SmartThings users, large properties, and energy-efficient automations.

Gadget Sleuth Editors Oct 24, 2026
How Smart Locks Work with Keyless Entry

How Smart Locks Work with Keyless Entry

Smart locks replace physical keys with digital credentials like codes, smartphone apps, or biometrics to control an electronic lock mechanism on your door.

Gadget Sleuth Editors Oct 22, 2026
Wired vs. Wireless Video Doorbell Guide

Wired vs. Wireless Video Doorbell Guide

Choosing between a wired or wireless video doorbell depends on your home's wiring, installation comfort, and priorities for reliability and features.

Gadget Sleuth Editors Oct 22, 2026
How Indoor and Outdoor Smart Cameras Work

How Indoor and Outdoor Smart Cameras Work

Smart security cameras capture video, send it over your network, and let you monitor your home from anywhere using an app, with features like motion alerts and night vision.

Gadget Sleuth Editors Oct 22, 2026
Smart Motion Sensor Types and Their Uses

Smart Motion Sensor Types and Their Uses

Understanding the different types of smart home motion sensors helps you choose the right technology for security, lighting control, and automation.

Gadget Sleuth Editors Oct 21, 2026

Welcome to our guide on smart security. This section is for anyone looking to build a more connected and responsive security system for their home. We cover the core devices that form the backbone of modern home monitoring: cameras, video doorbells, smart locks, and motion sensors. Our goal is to help you understand how these devices work together, what features to look for, and the important privacy and compatibility considerations that come with connected tech.

Whether you're starting from scratch or adding to an existing Smart Home setup, we focus on explaining the practical details that matter. We break down the standards, connectivity options, and integration points so you can make informed choices about the gear that protects your space.

What you'll find here

  • Clear explanations of how different smart security devices function and communicate.
  • Guidance on compatibility between products and with major smart home platforms.
  • Key considerations for data privacy, storage, and local versus cloud processing.
  • An overview of essential features like video resolution, field of view, and alert types.
  • Our detailed article, Smart Cameras, Video Doorbells and Smart Locks: What to Check Before You Buy, for a focused comparison.
  • Practical advice on placement, power, and network requirements for reliable operation.