91性视频_爱抚娇乳h_乱爱性全过程免费视频_超级yin乱系统34

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