Smart Door Lock Smart Lock QL-S940 Max Face

The QL-S940Max smart lock system is a premium smart door lock designed for apartments, villas, hotels, and offices. It ensures maximum security and convenience through Wi-Fi connectivity, the Usmart Go mobile app, facial recognition technology, video doorbell function, and multiple unlocking methods. With its modern aluminum body and high security level, it provides reliable access control. ⚙️ Technical Specifications: • Country of origin: China • Model: QL-S940Max • Material: Aluminum alloy • Locking system: Facial recognition / Fingerprint / Password / RFID (IC) card / Usmart Go mobile app / Mechanical key / USB emergency power input • Color: Gray • Weight: 6 kg • Dimensions: Standard panel size (model-specific) • Door thickness compatibility: 40–110 mm • Door type: Wooden, steel, stainless steel, aluminum, and copper doors • Lock type: Smart electronic door lock (Smart Lock) • Identification: Facial recognition, fingerprint, RFID (IC) card, PIN code, Usmart Go mobile app, mechanical key • Facial recognition capacity: 50–100 users • Fingerprint capacity: 100–120 users • Card capacity: 200 IC cards • User capacity: 100–200 users • Facial recognition speed: <1 second • Fingerprint recognition speed: <0.5 seconds • Card reading distance: 3–5 cm • Power supply: 7.4V 4200 mAh lithium-ion battery • Battery life: Approximately 6–12 months (depending on usage intensity) • Emergency power input: USB • Operating temperature: -20°C ~ +60°C • Operating humidity: 20% – 90% • Connectivity: Wi-Fi, Usmart Go 🛡️ Standard Features: • Facial recognition technology, video doorbell, mobile app control, cloud storage, Class C high-security cylinder lock, low battery warning, USB emergency power supply, mechanical backup key, standard 6068 × 24 × 240 mm lock mechanism, remote control, and multi-user access control. • Certificates: CE, RoHS • Installation type: Mortise • Warranty: 2 years ✅ Advantages: • 🚚 Fast delivery • 🛠️ Professional installation within 1 day • 🔐 Secure access via facial recognition, fingerprint, password, RFID card, Usmart Go app, and mechanical key • 📱 Remote control via Wi-Fi and Usmart Go mobile app • 🎥 Maximum security with video doorbell function • ⚡ Facial recognition in less than 1 second and fingerprint recognition in less than 0.5 seconds • 🔋 6–12 months battery life, USB emergency power input, and low battery warning • 🚪 Suitable for wooden, steel, stainless steel, aluminum, and copper doors • 🛡️ Durable aluminum body and Class C security cylinder • 👥 Multi-user access control with 100–200 user capacity • 🌡️ Stable operation from -20°C to +60°C • ⭐ 2-year official warranty • ✅ Original and high-quality product • 👍 Choice of thousands of satisfied customers