Description:1. This smart BT padlock can turn your smart device into a key. Easy to use with the free app (suitable for Android 4.3 abovei OS system).2. Keyless design provides flexibility as you share access with friends, family, colleagues & employees, etc. No more worry about losing keys, forgetting password or unauthorized key duplication!3. Wide Application: perfectly used for doors, cabinets, bikes, backpacks, storage lockers, etc. Feature:1. Great Flexibility: one lock can be authorized to multiple users & a user can unlock multiple locks.2. Easily Monitor Activity: including unlocking record & sharing record.3. Superior Strength Durability: made from ADC12 aluminum alloy body & 303 stainless steel latch hook.4. IP65 Waterproof: high waterproof grade allows outdoor application.5. Rechargeable Battery: Standby time is about one month, longer battery life. Specification: Material Aluminum Alloy + Stainless Steelbluetooth Version 4.0 System IOS/ Android: 4.3 above Charging Method 5V 100m Ah (Android Micro USB) Battery Polymer battery (Rechargeable) 3.7V 100m Ah St&-by Time F Ive month, for continuous unlocking over 1000 times 3 Unlocking Methodbluetooth / APP / Fingerprint Working Temperature (relative humidity)-25℃ ~ +50℃, 5%-95% Fingerprint Amount 10sets of fingerprints Waterproof Performance IP65 Size 32*85*13MMLock Rope Steel Wire Lock Body Zinc Alloy Drop Test 1.5 meters high 6-way drop does not affect the opening Resolution 508DPIFeatrues Support 360 degrees, finger press fingerprint recognition