KAICONN B68-n passive intelligent packaging solution. The core of this product is the passive latch in the red box. The box can be express packaging box, takeout box or other boxes. This passive latch uses NFC reverse charging technology to drive the motor to work and plays the principle of switch lock. Combined with our ANIOT app, it can control authorization, view switch records, locate unlocking position, cloud big data whole process statistics, etc. The advantages are: safe trust delivery, formation of recycling system and carbon score data collection