★ Remote monitoring, multi-channel remote self-service query and payment function
★ Automatic valve closing alarm and proactive reporting of abnormal situations such as battery undervoltage, strong magnetic interference, overcurrent, etc
★ Switching between normal mode and ladder mode, with 5 stages of price setting
★ Adopting a low-power openCPU solution for longer lifespan
★ Post payment or prepaid mode selection, pre adjustment or real-time adjustment
★ The gas volume can be overdrawn, and the recharge balance will automatically deduct the overdrawn gas volume