Jointech Jt802 Explosion Proof GPS Tracker Tank Smart Lock Tank Valve Lock With Anti Stealing Fuel

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Jointech Jt802 Explosion Proof GPS Anti-Oil Stealing Valve Lock Product Description JT802 Tank Truck Smart Valve Lock is a sub-lock used with JT701D. It is equipped with a disposable lithium-manganese battery, low power consumption, can be used for a long time( two years if the lock is on and off ten times a day). JT701D is the main lock, and JT802 is the sub-lock. The two are used together to monitor one valve or multiple valves of tank trucks. The main lock JT701D provides