Features:1. Support multiple users to share the same unlocking permissions.2. Support to check the lock record at any time.3. Replaceable battery, low power consumption and long standby time.4. Support for close range automatic lock.5. No mechanical key, supporting trigger Bluetooth signal to unlock to reduce power consumption.6. Apply to Sharing Cabinet, Storage Cabinet, Drawer, Wardrobe, Showcase, Door Lock, Data Cabinet, File Box, etc.Specifications:Material: lock body: plastic lock beam: copperWorking voltage: 2.5-4.2VCommunication mode: BluetoothUnlocking mode: mobile APP Bluetooth modeUnlock time: about 2 secondsWaterproof: no supportSupport equipment: for IOS or Android 4.3 or morePower supply mode: 800 MaCharging mode: replaceable battery (Built-in)(not rechargeable)Duration: 1 years (Ten times a day, 1000 times more)Size:Lock body: 70x40x10mm or 2.8x1.6x0.4inLock beam: 10mmPackage Weight: 88g or 3.1ozPackage List:1 x Smart Lock (Battery Built In)1 x User Manual 6 x Screw (4 x Long Screw, 2 x Short Screw)1 x Lock LatchNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..