久久婷婷综合缴情亚洲狠狠丨久久视频在线免费观看丨一本色综合亚洲精品88丨在线观看日韩中文字幕丨91精品国产色综合久久久蜜香臀丨亚州精品天堂中文字幕丨亚洲自拍成人丨黑人巨大白妞出浆

FEATURE

• With WIFI remote intelligent control;

• Permanent magnet rotor stop-flow frequency conversion brushless motor, low noise, high efficiency and energy saving;

• External drive controller, digital display, arbitrary adjustment;

• External power adapter is used for power supply, and electronic components are potted with insulating materials, with high insulation strength, safety and reliability;

• Using engineering plastic pump body and ceramic shaft, wear resistance and long life.