The Nice Smart X4 is a mortise-type smart door lock with a 4-inch HD display, dual camera 3D structured-light face recognition, video intercom, semiconductor fingerprint sensor, PIN code keypad, 13.56MHz IC card reader, and doorbell. Aluminium alloy and ABS with tempered glass panel. Lithium-ion batteries powering approximately 10,000 operations. Tuya IoT and TTLock connectivity over Bluetooth with optional Wi-Fi and NFC. The X4 features a tapered contemporary profile — same specification tier as the X3 with a different industrial design for aesthetic variety. Working temperature -20°C to 60°C. Stores up to 100 face profiles, 100 fingerprints, 100 PIN codes, and 100 IC cards. Silver and black finishes. Compatible with wood and metal doors. OEM branding and ODM customization available.
Key Features:
How It Works
| Specification | Details |
|---|---|
| Display | 4″ HD Display |
| Face ID Capacity | ≤100 |
| Fingerprint Capacity | ≤100 |
| Password Capacity | ≤100 |
| Card Capacity | ≤100 |
| Material | Aluminium Alloy + ABS + Tempered Glass |
| Power Supply | Lithiun-ion Battery |
| Battery Duration | Approx. 10,000 Unlocks (~12 Months) |
| Door Opening Modes | Face ID, Fingerprint, PIN, IC Card, Mechanical Key |
| Connectivity | Bluetooth, Tuya/TTLock App, Wi-Fi/NFC (Optional) |
| Unlock Speed | ~0.5 Second |
| Working Temperature | -20℃ ~ 60℃ |
| Door Type | Wood, Metal |
| Security Features | Safety Lock, Tamper Alert, Video Intercom, Hidden Backup Key |
| Special Functions | Video Intercom, Human Sensor, Auto-Awake, Remote Control, Doorbell |
| Colors | Silver, Black |
What is the difference between the X3 and X4?
Both share identical specs – 4″ HD display, dual camera face recognition, video intercom. The X4 has a more tapered, contemporary exterior design compared to the X3.
How accurate is the 3D face recognition?
The dual camera structured-light system maps facial depth, preventing spoofing by photos or flat images. Infrared sensors enable recognition in complete darkness.
Can I mix X3 and X4 in the same bulk order?
Yes. Mixed-model orders are supported, allowing distributors to offer design variety within the same specification tier.
Does the X4 need Wi-Fi to work?
No. Bluetooth is standard for app connectivity. Wi-Fi is optional module which can be added with video intercom feature.
Is the X4 available for OEM/ODM customization?
Yes. Logo engraving, custom packaging, firmware, and finish options. MOQ from 20 units.
