国产成人自在自线视频_91亚洲国产亚洲国产亚洲_国产明星裸体无码xxxx视频_亚洲精品欧美在线综合国

This watch uses a patented ball valve smart ic card hot water meter, high temperature resistance of 90 degrees Celsius. Low power consumption and low pressure loss are the preferred intelligent IC hot water meters for the water management department.

• Internal clock circuit switch valve to prevent valve fouling and lock

• Adopt non-magnetic sampling patent technology, anti-magnetic anti-interference, accurate measurement

• Built-in precision clock, with management software to achieve ladder water price

• One meter and one card record water consumption, prepaid function, first use water after recharging

• The remaining water is insufficient to close the valve alarm, and the card is opened.

• One-card function, support one card multi-table, realize water and electricity card