Waterproof Smart Key Safe Box – Fingerprint Bluetooth App Unlock
Waterproof Smart Key Safe Box – Fingerprint Bluetooth App Unlock
Waterproof Smart Key Safe Box with Fingerprint, Bluetooth & App Remote Unlock
Keep your spare keys secure and accessible with this heavy-duty smart key safe box. Compatible with the TTlock and Tuya / Smart Life apps, this wall-mount security lockbox lets you grant or revoke access remotely — perfect for Airbnb hosts, vacation homes, home health aides, pet sitters, and property managers. Made in Mainland China.
Key Features
- 4 Versatile Unlock Methods: App (Bluetooth/WiFi), fingerprint scan, PIN code (6–16 digits, up to 150 stored codes), and IC card — so you're never locked out.
- Smart App Integration: Manage access from anywhere via the TTlock App or Tuya / Smart Life App. Works with Amazon Alexa and Google Assistant for voice control.
- WiFi Remote Control (Optional): Pair with a G2 Gateway Bridge (TTlock) or M1 Gateway Bridge (Tuya) for full remote unlock capability over WiFi.
- FPC Fingerprint Reader: Advanced fingerprint sensor delivers fast, reliable biometric recognition even in outdoor conditions.
- IP65 / IP54 Weatherproof Rating: Zinc alloy body with stainless steel shackle stands up to rain, dust, hammering, sawing, and prying — built to handle outdoor environments year-round.
- Wide Operating Temperature: Functions reliably from -25°C to 55°C (-13°F to 131°F).
- Emergency Power Backup: External power port allows you to charge and operate the box even when internal batteries run low.
- Flexible Mounting: Install securely to any wall or use the shackle for post or railing attachment.
Specifications
| Models | KB3F / KB5F |
| Material | Zinc alloy body, stainless steel |
| Color | Black |
| Connectivity | Bluetooth 4.0; WiFi (gateway required) |
| Smart Platforms | TTlock App, Tuya App, Smart Life App |
| Voice Assistant Compatibility | Amazon Alexa, Google Assistant |
| Unlock Methods | App, Fingerprint, PIN Code, IC Card |
| Password Capacity | 150 groups |
| Password Length | 6 digits (up to 16 digits supported) |
| Bluetooth Range | Up to 10 meters |
| Weather Protection | IP65 (K5F) / IP54 (K3F) |
| Battery | 3–4 × AAA alkaline batteries |
| Net Weight | 0.9 kg (K5F) / 1.0 kg (K3F) |
| Working Temperature | -25°C to 55°C |
| Installation | Wall mount or shackle |
| Country of Origin | Made in Mainland China |
Ideal Use Cases
- Airbnb & short-term rental self check-in
- Vacation homes & remote property access
- Home health care & caregiver entry
- Pet sitters, dog walkers, and house cleaners
- Emergency spare key storage at home or office
- Real estate agent lockboxes
Learn More About Home Security Best Practices
For guidance on home security and keeping your property safe, visit the U.S. Cybersecurity & Infrastructure Security Agency or review consumer protection tips at FTC Consumer Advice – Home Security.
Frequently Asked Questions
Q: Does this smart key safe box work without a smartphone nearby?
A: Yes. You can unlock the key safe box using the built-in fingerprint scanner or a stored PIN code without needing your phone at all. For Bluetooth app control, your phone needs to be within 10 meters. For remote WiFi unlock from anywhere, a compatible gateway bridge (G2 for TTlock or M1 for Tuya) is required.
Q: Is this key safe box suitable for outdoor use in all weather?
A: Absolutely. The KB5F model carries an IP65 rating (dust-tight and protected against water jets), and the KB3F holds an IP54 rating (splash-proof from any direction). Both models feature a zinc alloy and stainless steel construction rated for temperatures from -25°C to 55°C, making them well-suited for year-round outdoor installation.
Q: How many people can have access to this smart lock box?
A: The key safe box supports up to 150 stored PIN code groups, plus multiple fingerprint profiles and IC cards. Through the TTlock or Tuya app, you can add, delete, or assign time-limited access codes to guests, service providers, or family members at any time.
Q: Can I use this key safe with Amazon Alexa or Google Assistant?
A: Yes. When connected via the Tuya or Smart Life platform (with the appropriate gateway bridge for WiFi), this key safe box is compatible with Amazon Alexa and Google Assistant, allowing for convenient voice-activated management within your smart home setup.
Q: What happens if the batteries die?
A: The key safe box includes an emergency external power input port. You can connect a portable power bank or battery pack to the port to temporarily power the unit and unlock it, ensuring you're never permanently locked out due to dead batteries.