Zunate Bluetooth Smart Bike Chain Lock - Anti-Theft Electric Scooter Lock with App Control & Vibration Warning for Outdoor Use (Black)

Specification:Item Type: BT Chain LockMaterial: Manganese Steel Chain, ABSBattery Type: 3 x AAA Battery (not included)Chain Diameter: Approx. 6mm / 0.24inChain Length: Approx. 80cm / 31.5inFunction: Anti Cutting Function: Alert when the steel rope is cutAnti Dismantling Function: Alert when the screw is dismantledVibration Function: Alert for 30 seconds when the lock body vibrates or movesWater Proof Function: IP44 Water ProofAlert Sound: 110dB and How to Use:1. Manual Unlocking: Click to unlock.2. Auto Unlocking: Lock automatically when phone is away; unlocking automatically when phone is near.3. Vibration: Choose to turn on or off vibration alert.4. Notification: Option to turn on or off.5. Change Password: 6 digit password (required when changing phone or clearing device).6. Change Name: Convenient for managing multiple locks.7. Low Battery Reminder: Alert when battery is below 20%.Package List:1 x Chain Lock1 x Screwdriver1 x User Manual