Compact biometric door lock designed for narrow side push or pull doors. Built from insulating aluminum alloy for durable, lightweight installation. Combines a Swedish biosemiconductor fingerprint scanner, touchscreen keypad, RFID access, physical key override, and app control for flexible, modern access management. Key benefits Fast and convenient entry: fingerprint capture in under 1 second, plus code, card, key, or mobile app access. Reliable biometric performance: low false acceptance and rejection rates for consistent identification. Flexible operation: switch between passage lock and household lock modes to suit different use cases. Power resilience: six volt battery operation plus a 9 volt backup power interface and low voltage alarm to prevent lockouts. Main features and specifications Main materials: insulating aluminum alloy. Security core: main board uses a financial grade security chip. Fingerprint scanner: original biosemiconductor module imported from Sweden. Works with dry fingers. Touchscreen panel: modern, lowprofile digits pad for code entry. Unlock methods: fingerprint, numeric code, Mifare1 IC S50 card, mechanical key, and mobile app control. App compatibility: compatible with TTLock app. Fingerprint capture time: under 1 second. Accuracy: FAR less than 0.00001 percent; FRR less than 0.01 percent. Capacity: 100 fingerprints, 1000 cards, 250 group codes. Working temperature: minus 15 C to plus 70 C. Power: 6 V main supply using 4 AA 1.5 V alkaline batteries. 9 V backup power interface available. Battery life: supports approximately 100,000 normal door openings on a full battery set. Current draw: static current under 65 uA, dynamic current under 350 mA. Low voltage alarm: notifies when battery replacement is needed. Size: 410 mm x 38 mm x 23 mm. Package contents 1 door lock unit ready for installation. Practical applications Residential entry for apartments and houses where keyless convenience and multiple access methods are desired. Office or small business exterior or interior doors requiring employee access management with fingerprint, card, code, and app options. Short term rental or property management: switch between household and passage modes to allow entry during check in and secure mode afterwards. Why choose this lock Combines fast biometrics and multiple access options to reduce key handling and simplify day to day use. Financial grade security chip and a Swedish fingerprint sensor deliver stable operation and accurate recognition. Designed for narrow side push or pull doors with a slim footprint and robust aluminum alloy construction.