JT707A is a kind GPS electronic seal tracker, which is used for asset tracking, sealing and cargo secuirty solution. Device is with features: inbuilt GPS, GSM module for global locating and real time tracking, waterproof IP67 for ourdoor hard environment, replaceable seal cable, seal cable cut alert, etc. It is suitable to asset tracking and monitoring in transportation, such as: ISO container, trailer, and van truck, etc.