Unlock options and capacity BT, fingerprint and physical keys provide three convenient ways to access your lock. The padlock can store up to 50 fingerprints. Anti smash and durable design 10 mm diameter shackle with a heavy duty one piece cover shackle design to resist smashing and tampering. Outdoor ready and weather resistant IP67 waterproof rating protects the lock from water and dust, making it suitable for outdoor use. Power and charging USB TypeC charging cable included. Builtin 500 mA lithium battery can support over 1 year of standby time. What this means for you Flexible, secure access without sacrificing convenience. Multiple unlock methods reduce the need to carry keys, while the fingerprint option speeds up daily use. Specific use scenarios Travel and luggage security: lock suitcases or backpacks with fingerprint or Bluetooth access, with keys as a reliable backup. Outdoor storage and multiuse spaces: secure garden sheds, gates, tool boxes, or bikes in environments exposed to weather. Lockers and gear: gym lockers, school lockers, or workplace storage where quick access is helpful. Key specifications at a glance Shackle: 10 mm diameter Unlock methods: Bluetooth, fingerprint, keys Fingerprint capacity: up to 50 Keys included: 2 Waterproof rating: IP67 Charging: USB TypeC Battery: 500 mA lithium battery, standby time over 1 year