Feature: 1. Multiple Unlocking Methods: The padlock supports fingerprint, password, application, mechanical key, and IC card, with app control, users can register IC cards, set passwords, authorize users, and check the most recent 1000 unlock records. 2. Weatherproof Construction: The padlock beam is made of anti drilling and anti cutting, the lock body is made of aluminum alloy, with touch screen keyboard, IP65 water resistant. 3. Energy Efficient: The smart lock comes with a 3V CR2 battery, which can service up to 6 months (or 2,500 unlocks). When the battery runs out, the lock maintains its locked state until the battery is replaced. 4. How to Improve Fingerprint Recognition Accuracy: For better fingerprint recognition during use, continuously adjust the contact position between the finger and the fingerprint reader when registering fingerprints. 5. Compact and Versatile: This smart lock is small, portable, and suitable for both indoor and outdoor use, such as gyms, schools, offices, doors, gates, fences, garages, cabinets, sheds, suitcases, luggage, bicycles, etc. Specification: Item Type: Fingerprint Padlock Material: Aluminum Alloy, Stainless Steel Unlock Way: Fingerprint + Password + Card + APP + Key Battery: 1000mAh 3V CR2 Dry Battery (Built in). Package List: 1 x Smart Lock 2 x Key 3 x IC Card 1 x User Manual