Bluetooth Smart Bicycle Lock, Smartphone Control Waterproof Chain Lock, 110dB High Decibel Vibration Alarm Anti Theft…

Bluetooth Control: Works for iOS and Android system, just lock and unlock your bike or motorcycle with your phone. No keys required, convenient, fast and secure.
High Decibel Alert: Vibration will trigger alert of bicycle lock, 110db high decibel alarm, effectively frighten the thefts can use both indoors and outdoors.
High-quality Materials: Made of ABS plastic and high dense copper, Anti cutting, anti disassembling, vibration alarm. It’s durable and waterproof, strong anti-theft high quality material.
Long Standby Time: 3 “AAA” batteries are required which last for 8 months use (based on every day open twice). Low battery indicator in the app will warn you low battery when power is less than 20%.
Wide Range Of Applications: Not only for bicycles and motorcycles, but also for the doors of homes, warehouses, companies, etc.