Introduction
Choosing between Wi-Fi and Bluetooth smart locks is one of the most common decision points for consumers. Each technology has distinct advantages in range, power consumption, and functionality. This article breaks down the technical specifications and real-world performance data to help you make an informed decision.
Technical Specifications Comparison
| Specification | Wi-Fi (2.4GHz) | Bluetooth 5.0 |
|---|---|---|
| Range | Up to 300 ft (direct) | Up to 800 ft (open field) |
| Typical indoor range | 100-150 ft through walls | 30-50 ft through walls |
| Power consumption | Higher (Wi-Fi radio) | Lower (BLE standby) |
| Battery life impact | -20 to -30% vs Bluetooth | Baseline reference |
| Remote access | Direct (no hub required) | Requires hub or bridge |
| Setup complexity | Moderate | Easy |
Range and Connectivity
Wi-Fi Locks
Wi-Fi smart locks like the FEOCEY X GEN1 connect directly to your home router on the 2.4GHz band. This gives them a practical indoor range of 100-150 feet through standard drywall and plaster walls. Most residential front doors are within 50 feet of a central router, making Wi-Fi the most practical choice for whole-home coverage.
Bluetooth Locks
Bluetooth 5.0 offers superior raw range in open field conditions (up to 800 feet), but indoor performance is more limited. Through walls, expect 30-50 feet of effective range. This means Bluetooth locks work excellently for a lock on your bedroom door or a nearby back entrance, but can struggle with gates, detached garages, or doors at the far end of a large home.
Battery Life: The Real-World Numbers
According to Wirecutter’s 2025 battery life testing across 15 smart lock models:
- Wi-Fi locks average 5.2 months on standard alkaline batteries
- Bluetooth locks with hub average 9.8 months
- FEOCEY X GEN1 (Wi-Fi, optimized) delivers up to 12 months on lithium CR123A cells
The FEOCEY X GEN1 achieves Wi-Fi battery life competitive with Bluetooth locks through aggressive power management: the Wi-Fi radio activates only for brief transmit windows, spending most of its time in a low-power standby state.
Remote Access
Wi-Fi locks offer native remote access without additional hardware. You can lock and unlock your door from anywhere with internet access. Bluetooth locks require either a proprietary hub/bridge (added cost: $30-80) or a cloud-dependent service that may have subscription fees.
Security: Both Protocols Are Secure
Both Wi-Fi and Bluetooth 5.0 support AES-256 encryption for data transmission. The FIDO2/WebAuthn standards are supported by both protocols for strong authentication. The actual security of a lock depends more on the manufacturer’s implementation than the underlying radio protocol.
Use Case Recommendations
Choose Wi-Fi if:
- You need remote access without buying a hub
- Your lock is more than 50 feet from your phone or a hub
- You manage multiple properties and need global access
- You want the simplest setup with the fewest devices
Choose Bluetooth if:
- Your lock is always within 30 feet of your phone
- You already have a smart home hub (SmartThings, Home Assistant, etc.)
- Battery life is your absolute top priority
- You only want auto-unlock when you arrive home (geofencing via Bluetooth)
Verdict: Wi-Fi Wins for Most Users
For the majority of residential applications — especially single-family homes and vacation rentals — Wi-Fi locks deliver better value. Remote access without a hub, simpler setup, and competitive battery life make Wi-Fi the default recommendation. The FEOCEY X GEN1’s 12-month battery life effectively eliminates the traditional Wi-Fi disadvantage that once made Bluetooth the default choice.