JT709 Brilliant Bluetooth Latch is created based on our current item JT701. JT701 as the expert lock and JT709BL as the slave lock, are reasonable for the executives applications as follows: holder/big hauler, one expert with numerous slave locks (various entryways/valves). It has the qualities of online setup boundaries, battery-powered lithium battery, reusable, and high-accuracy following information through the fundamental control JT701. Simultaneously, it upholds distant internet opening or on location disconnected opening, running on various observing stages, online constant following, verifiable steering playback, and lock status following. It can give lower cost, higher security, higher productivity, and more astute resource following and the executives arrangements.