Q2 Smart Knob Lock


Compact keyless knob lock with fingerprint, password, IC card and mechanical key access for interior and entry doors.
- Fingerprint, Password, IC Card and Mechanical Key access
- 100-user fingerprint capacity
- 100-user password capacity
- 100-user IC card capacity
- Fits Wood / Metal / Plastic doors (30–50 mm)
- 6 V (4× AA alkaline batteries)
- OEM and ODM support available
Fingerprint + Password + Card
OEM & ODM Support
Request a Quote
Key Features
Multiple Access Options
Q2 supports Fingerprint, Password, IC Card and Mechanical Key access, giving residents, tenants and staff flexibility without carrying physical keys.
Connected or Standalone
Choose the version that fits your project: standalone, Tuya app with Wi-Fi, or Tongtong protocol.
Quick Battery-Powered Install
Powered by 6 V (4× AA alkaline batteries) — no hardwiring required. Fits 30–50 mm doors with 60/70 mm lock-tongue options.
Applications
Q2 is built for residential and light-commercial entry points where simple, keyless smart knob lock control is required.
- Single-family and multi-family front doors
- Apartment and rental-unit retrofits
- Commercial offices and meeting rooms
- Wood / Metal / Plastic doors within 30–50 mm thickness
Dimensions & Installation
The smart knob lock installs on standard door preparations. Key fit data from the source documentation:
- Front panel: 75 × 74 mm
- Rear panel: 60 × 74 mm
- Door thickness: 30–50 mm
- Lock tongue: 60/70 mm
Confirm local door preparation and backset before ordering. Installation drawings are provided in the product documentation.
Technical Specifications
All specifications below are taken directly from the authorized product documentation. Nothing has been added or assumed.
| Model | Q2 |
|---|---|
| Product Type | Smart Knob Lock |
| Material | Aerospace aluminum alloy |
| Unlock Methods | Fingerprint, Password, IC Card, Mechanical Key |
| Fingerprint Capacity | 100 |
| Password Capacity | 100 |
| IC Card Capacity | 100 |
| Door Types | Wood / Metal / Plastic |
| Door Thickness | 30–50 mm |
| Power Supply | 6 V (4× AA alkaline batteries) |
| Voice Prompts | Chinese, English, Spanish, Portuguese, Arabic, Russian |
| Available Versions | Standalone, Tuya (Wi-Fi), Tongtong |
| Lock Tongue | 60/70 mm |
| Front Panel | 75 × 74 mm |
| Rear Panel | 60 × 74 mm |
| Color Box Size | 240 × 165 × 88 mm |
| Unit Weight | 0.9 kg |
| Carton | 500 × 345 × 465 mm (20 pcs) |
| Carton Weight | 18.9 kg |
B2B / OEM & ODM
CaremLock supplies smart knob locks for distributors, installers, property-management groups and brand owners. Q2 can be offered under OEM and ODM arrangements with configuration options including version type, logo and packaging.
Request a project quote for pricing, version mix and lead-time details.
Request Q2 pricing or samples
Share your project requirements and our team will reply with configuration options.
Buyer FAQ
What access methods does Q2 support?
Fingerprint, Password, IC Card and Mechanical Key. Each supported method stores up to 100 user entries.
What door thickness will Q2 fit?
The lock is designed for doors 30–50 mm thick. Confirm your door thickness before ordering.
Are different protocol versions available?
Yes. Q2 is available in Standalone, Tuya (Wi-Fi), Tongtong versions.
What batteries does Q2 use?
6 V (4× AA alkaline batteries).
Need pricing or samples for Q2?
Send your project requirements and our team will reply with configuration options.