Secure your valuables with this advanced BT Chain Lock, designed for convenience, safety, and durability. Crafted from robust manganese steel and ABS materials, this smart lock features multiple security functions and seamless mobile app integration to provide reliable protection for bikes, electric vehicles, motorcycles, and more. Key Features: · Smart Battery Reminder: Equipped with a battery indicator that flashes a red light and sends a low battery alert via the mobile app when power drops below 20%. The lock will disable locking function when battery is below 10%, ensuring timely battery replacement and uninterrupted use. Typical battery life lasts about 8 months. · APP Control & Automatic Unlocking: Easily control the lock through the mobile app. Enable automatic unlocking so the lock opens as your phone approaches, indicated by a flashing blue light. When your phone moves away, the lock automatically secures itself. Locking and unlocking can also be managed by toggling Bluetooth. · Alarm Release & Password Management: In case of alarm activation, you can remotely disable the alarm via the app if your phone is connected to the lock. The lock supports a customizable six-digit password with options to modify for added security. · Multiple Security Alerts: Features anti-cutting alert that triggers when the steel rope is tampered with, anti-dismantling alert for screw removal attempts, and a vibration alarm that sounds for 30 seconds upon lock movement or tampering. The alarm sound exceeds 110 decibels to deter thieves effectively. · Water Resistant & Durable Design: With an IP44 waterproof rating, this lock withstands various weather conditions, making it suitable for outdoor use. The manganese steel chain with a diameter of approximately 6mm and a length of 80cm offers strong resistance against cutting and physical attacks. · Low Power Consumption: Designed for efficiency with low battery consumption and timely warnings to ensure continuous protection without frequent battery changes. Specifications: · Material: Manganese Steel Chain, ABS · Battery Type: 3 x AAA Batteries (not included) · Chain Diameter: Approx. 6mm / 0.24in · Chain Length: Approx. 80cm / 31.5in · Waterproof Rating: IP44 · Alarm Sound Level: 110dB and above Package Includes: · 1 x BT Chain Lock This BT Chain Lock combines smart technology with rugged construction to deliver a high level of security and ease of use. Ideal for protecting your bike, electric vehicle, or motorcycle, it offers peace of mind through its intelligent app control, powerful alarm system, and durable waterproof design.