Bluetooth APP Unlock: Set up the administrator and user to unlock through the Bluetooth connection application, and you can authorize unlock permissions to your family and friends remotely through the App. And smart lock supports fingerprint removing and unlocking time recording, Fingerprint Unlock: Using advanced biometric technology, touch your finger to fingerprint unlock within 0.2 seconds, the unlocking speed is much faster than ordinary rope locks and key locks. No longer worry about losing the key or forgetting the password, CONVENIENT and WORRY-FREE. Durable and High-Security: Large size padlock is constructed with a zinc body for strength and durable, hardened steel shackle for cut resistance, weather-resistant cover for added weather protection. Long Battery Life: The electronic padlock have low power consumption and long standby time. A rechargeable 160mAh lithium battery after fully charged can last standby around 7 months and be unlocked about 3000 times. Equipped with a Type-C cable for fast charging. Wide Application:The fingerprint padlock has a compact size for you to carry it to anywhere you go. Suitable for both indoor and outdoor purposes. For gym locker, school locker, office, door, gate, fence, garage, warehouse, cabinet, shed, suitcase, handbag, luggage, Specifications: Material: stainless steel lock beam, zinc alloy Fingerprint sensor type: Semiconductor module fingerprint Recognition rate false: <; 0.001 LSE Rejection rate: <; 1% Speed comparison: The fingerprint response speed is about 0.2 s Unlock features: fingerprint, Bluetooth, mechanical key Charging time: about 1 hour 10 minutes full battery cycle: more than 300 times Low voltage alarm: 3.6 V (wake-lock red light flashes 5 times fast) Operating current: 230mA (max) Electrostatic current: standby power consumption is about 20U Working temperature: -10 ~ 45 °C Package Included: 1*Smart Door Lock