Feature:1. Free APP Unlock: keyless convenience helps you get rid of worrying about lost keys or forgotten combinations. (suitable for Android \u0026 iOS system)2. Free APP Unlock: keyless convenience helps you get rid of worrying about lost keys or forgotten combinations. (suitable for Android \u0026 iOS system)Superior Strength \u0026 Durability: made of aluminum alloy body and stainless steel latch hook.3. Wide Application: perfectly used for doors, cabinets, bikes, backpacks, storage lockers, etc.4. Easily Monitor Activity: including unlocking record and sharing record.Superior Strength \u0026 Durability: made of aluminum alloy body and stainless steel latch hook.5. IP65 Waterproof: high waterproof grade allows outdoor application. Replaceable Battery: built-in CR14250 battery, it provides about 8000-10000 unlock times, longer battery life.6. Built-in Lithium Battery: built-in CR14250 battery, it provides about 8000-10000 unlock times, longer battery life.7. Wide Application: perfectly used for doors, cabinets, bikes, backpacks, storage lockers, etc.Easily Monitor Activity: including unlocking record and sharing record.8. Shared Access: share access via scanning QR code or adding account directly. Great Flexibility: one lock can be authorized to multiple users and a user can unlock multiple locks.9. IP65 Waterproof: high waterproof grade allows outdoor application.10. Free APP Unlock: keyless convenience helps you get rid of worrying about lost keys or forgotten combinations. (suitable for Android \u0026 iOS system)Battery Display: battery of padlock displays on APP, you\u0027d better replace the battery when it is less than about 10%.11. Shared Access: share access via scanning QR code or adding account directly.12. Shared Access: share access via scanning QR code or adding account directly.Built-in Lithium Battery: built-in CR14250 battery, it provides about 8000-10000 unlock times, longer battery life.13. Great Flexibility: one lock can be authorized to multiple users and a user can unlock multiple locks.Battery Display: battery of padlock displays on APP.Specification:This smart BT padlock can turn your smart device into a key. Easy to use with the free app (suitable for Andriod and iOS system). Keyless design provides flexibility as you share access with friends, family, colleagues and employees, etc. No more worry about losing keys, forgetting password or unauthorized key duplication!Features:Wide Application: perfectly used for doors, cabinets, bikes, backpacks, storage lockers, etc.Free APP Unlock: keyless convenience helps you get rid of worrying about lost keys or forgotten combinations. (suitable for Android & iOS system)Shared Access: share access via scanning QR code or adding account directly.Great Flexibility: one lock can be authorized to multiple users and a user can unlock multiple locks.Easily Monitor Activity: including unlocking record and sharing record.Superior Strength & Durability: made of aluminum alloy body and stainless steel latch hook.IP65 Waterproof: high waterproof grade allows outdoor application.Built-in Lithium Battery: built-in CR14250 battery, it provides about 8000-10000 unlock times, longer battery life.Battery Display: battery of padlock displays on APP.Note: Please scan QR code on the picture to download the APP before use.Specifications:Material: Aluminum Alloy + Stainless SteelColor: silverBT Version: 4.0System Requirement for iOS: 3.0.1System Requirement for Android: 3.0.1Battery Voltage: 3.0VBattery: 600mAh CR14250 batteryService Time: about 1 yearBattery Unlock Times: about 8000-10000 timesSupport Language: English, Japanese, Korean, Germany, French, Italian, Arabic, Russian, ChineseLock Size: 4.3 * 7 * 2cm / 1.7 * 2.8 * 0.8inLock Weight: 150g / 5.3ozPackage Size: 12.1 * 8.4 * 3.5cm / 4.8 * 3.3 * 1.4inPackage Weight: 216g / 7.6ozPackage List:1 * PadlockPackage List:1 * Padlock