Smart Door Lock Smart Lock S819-2

The QL-S819-2 smart lock system is a premium smart door lock designed for apartments, villas, hotels, and offices. It provides high security and convenient use thanks to Tuya and TTlock mobile apps, Wi-Fi connectivity, and unlocking options via fingerprint, card, password, and mechanical key. Its sturdy body, made of aluminum alloy and tempered glass, offers long-lasting and reliable access control. ⚙️ Technical specifications: • Country of origin: China • Model: QL-S819-2 • Material: Aluminum alloy + tempered glass • Locking system: Fingerprint / password / RFID (IC) card / Tuya and TTlock mobile apps / mechanical key / USB emergency power input • Color: Black • Weight: 5 kg • Dimensions: Standard panel size (model-specific) • Door thickness compatibility: 38–100 mm • Door type: Wooden, steel, stainless steel, aluminum, and copper doors • Lock type: Smart electronic door lock (Smart Lock) • Identification: Fingerprint, RFID (IC) card, PIN code, Tuya and TTlock mobile apps, mechanical key • Fingerprint capacity: 100–120 users • Card capacity: 200 IC cards • User capacity: 100–200 users • Fingerprint recognition time: <0.5 seconds • Card reading distance: 3–5 cm • Power supply: DC 6V (4 × AA alkaline batteries) • Battery life: Approximately 10–12 months • Emergency power input: USB • Operating temperature: -20°C ~ +60°C • Operating humidity: 20% – 90% • Connectivity: Wi-Fi, Tuya Smart, TTlock ✅ Standard features: • Control via Tuya and TTlock mobile apps, Wi-Fi connectivity, cloud storage, C-class high-security cylinder lock, low battery warning, emergency power supply via USB, mechanical backup key, standard 6068 × 24 × 240 mm lock mechanism, multi-user access management. • Certificates: CE, RoHS • Installation type: Mortise • Warranty: 1 year 🚀 Advantages: • 🚚 Fast delivery • 🛠️ Professional installation within 1 day • 🔐 Secure access via fingerprint, password, RFID card, Tuya and TTlock apps, and mechanical key • 📱 Remote control via Tuya Smart and TTlock apps with Wi-Fi connectivity • ⚡ Fingerprint recognition in less than 0.5 seconds and 200 RFID card capacity • 🔋 10–12 months battery life, USB emergency power input, and low battery warning • 🚪 Suitable for wooden, steel, stainless steel, aluminum, and copper doors • 🛡️ Premium body made of aluminum alloy and tempered glass • 👥 Multi-user access management with 100–200 user capacity • 🌡️ Stable operation from -20°C to +60°C • ⭐ 1-year official warranty • ✅ Original and high-quality product • 👍 Choice of thousands of satisfied customers 💰 Other smart door locks: • Smart Lock QL-S607: ₼200 • Smart Lock QL-S811: ₼300 • Smart Lock S819-2: ₼300 • Smart Lock QL-S802: ₼450 • Smart Lock S819 2Max: ₼480 • Smart Lock QL-S802 Pro: ₼480 • Smart Lock QL-S608: ₼500 • Philips DDL603E-5HWS: ₼500 • Philips DDL610-5HBS: ₼600 • Smart Lock QL-S611: ₼620 • Smart Lock QL-S958 Max: ₼650 • Smart Lock QL-S940 Max Face: ₼700 • Philips DDL720-FVP-7HWSE: ₼1600