Introduction (Brief)
Eufy offers several smart locks balancing security, convenience, and price. This table compares all current models to help you choose the right one for your door.
Table of Contents
Eufy Smart Lock Models Comparison Table
| Feature / Model | C210 Smart Lock | C220 Smart Lock | T8500 WiFi Smart Lock | S330 Video Smart Lock |
|---|---|---|---|---|
| Type | Keypad + Key | Keypad + Key | Touch Keypad + WiFi | Keypad + Video + WiFi |
| Best For | Basic keyless entry | Modern design, handle | Remote access via app | Maximum security with video |
| Price Range | $120 – $150 | $150 – $180 | $200 – $230 | $250 – $300 |
| Unlock Methods | Keypad, Physical Key, App | Keypad, Physical Key, App | Keypad, App, Fingerprint* | Keypad, App, Fingerprint, Video |
| Connection | Bluetooth | Bluetooth | WiFi (Built-in) | WiFi (Built-in) |
| Power Source | 4 AA Batteries (8 months) | 4 AA Batteries (8 months) | 4 AA Batteries (8 months) | Rechargeable Battery (3-4 months) |
| Video Features | No | No | No | 2K Camera, 120° View, Night Vision |
| Auto-Lock | Yes | Yes | Yes | Yes |
| Guest Access | Yes (Temporary Codes) | Yes (Temporary Codes) | Yes (Temporary Codes) | Yes (Temporary Codes) |
| Voice Assistant | Google Home, Alexa | Google Home, Alexa | Google Home, Alexa | Google Home, Alexa |
| Weather Resistance | Yes | Yes | Yes | Yes |
| Warranty | 2 Years | 2 Years | 2 Years | 2 Years |
Installation & Compatibility Guide
| Installation Factor | C210 / C220 | T8500 WiFi | S330 Video | What to Check |
|---|---|---|---|---|
| Door Thickness | 1⅜” – 2″ (35-55mm) | 1⅜” – 2″ (35-55mm) | 1⅜” – 2″ (35-55mm) | Measure your door edge. |
| Backset Distance | 2⅜” or 2¾” (60/70mm) | 2⅜” or 2¾” (60/70mm) | 2⅜” or 2¾” (60/70mm) | Distance from door edge to hole center. |
| Door Handedness | Reversible (Left/Right) | Reversible (Left/Right) | Reversible (Left/Right) | Most doors work. |
| Existing Deadbolt | Replace entire lock | Replace entire lock | Replace entire lock | Must match US standard. |
| Tools Needed | Screwdriver, Drill (possible) | Screwdriver, Drill (possible) | Screwdriver, Drill | Professional install recommended for S330 |
| Time to Install | 15-30 minutes | 20-40 minutes | 30-60 minutes |
Security & Smart Features Comparison
| Security Feature | Basic Models (C210/C220) | WiFi Models (T8500/S330) | Importance |
|---|---|---|---|
| Encryption | AES 128-bit | AES 128-bit | Standard for smart locks |
| Anti-Pick | Yes | Yes | Prevents physical tampering |
| Wrong Attempt Alarm | Yes | Yes | Deters code guessing |
| Remote Lock/Unlock | No (Bluetooth only) | Yes (via WiFi) | Check from anywhere |
| Access Log | Yes (in app) | Detailed with timestamps | Who entered & when |
| Geofencing Auto-Lock | No | Yes | Locks when you leave |
| Package Detection | No | S330 Only | Alerts for deliveries |
| Local Storage | No | S330: MicroSD option | Video without cloud fees |
| Eufy Security App | Basic control | Full features + video | One app for all models |
Power & Connectivity Comparison
| Aspect | AA Battery Models | Rechargeable Model (S330) | Tips |
|---|---|---|---|
| Battery Type | 4 AA (alkaline recommended) | Built-in rechargeable | Use lithium AAs for cold climates |
| Battery Life | 8-12 months typical | 3-4 months per charge | Video usage drains faster |
| Low Battery Warning | App notification, beep | App notification, beep | Replace at 20% warning |
| External Power Option | 9V battery terminals | Micro-USB port (emergency) | Keep a 9V battery handy |
| Connection Reliability | Bluetooth range ~30 ft | WiFi depends on router strength | Ensure strong WiFi at door |
Smart Home Integration Matrix
| Ecosystem | Supported Models | Setup Ease | Key Feature | Limitation |
|---|---|---|---|---|
| Google Home | All models | Easy | Voice lock/unlock, routines | Cannot create codes via voice |
| Amazon Alexa | All models | Easy | Voice status, lock/unlock | Some routines limited |
| Apple HomeKit | None currently | N/A | N/A | No native Siri support |
| IFTTT | WiFi models | Medium | Custom applets | Requires separate account |
| Eufy Security | All models | Native | Full control, video feeds | Only within Eufy ecosystem |
Quick Decision Checklist
| Your Priority | Recommended Model | Key Reason | Budget Alternative |
|---|---|---|---|
| Lowest Cost, Basic Keyless | Eufy C210 | Reliable, simple keypad + key | Standard keypad lock |
| Modern Look, Handle Included | Eufy C220 | Sleek design, ergonomic handle | C210 (no handle) |
| Remote Access & Control | Eufy T8500 WiFi | Built-in WiFi, no hub needed | C220 + Bluetooth gateway* |
| Maximum Security with Camera | Eufy S330 Video | 2K video, package detection, all-in-one | T8500 + separate doorbell cam |
| Rental Property Friendly | Eufy C210 | Easy install/remove, physical key backup | Any model works |
| Strong WiFi at Door | Any WiFi model (T8500/S330) | Reliable remote access | Bluetooth models if weak WiFi |
Conclusion & Pro Tip:
For most homes, the Eufy T8500 WiFi Smart Lock offers the best balance of remote access, security, and price without the complexity of a video lock. Before buying, download the Eufy Security app and check compatibility using their online guide. Ensure your door meets the standard measurements (backset, thickness). For the S330 Video Lock, consider professional installation to ensure the camera angle is perfect and wiring is tidy.