JT709 Smart Bluetooth Padlock is developed on the basis of our existing product JT701. JT701 as the master lock and JT709BL as the slave lock, are suitable for management applications as follows: container/tanker, one master with multiple slave locks (multiple doors/valves). It has the characteristics of online configuration parameters, rechargeable lithium battery, reusable, and high-precision tracking data through the main control JT701. At the same time, it supports remote online unlocking or on-site offline unlocking, running on different monitoring platforms, online real-time tracking, historical routing playback, and lock status tracking. It can provide lower cost, higher security, higher efficiency, and smarter asset tracking and management solutions.