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

• Automatic shift of AC power,inside battery andoutside DC power.

• Automatic rechargable battery with over currentand less current protection；

• Perfect combination of AC & DC mechatronicsdesign. Advanced technology and multi-function.Easy operation and long working time by theinternal battery.

• Big output and clean air, safe and reliable.