使用一节1号电池，工作噪音小。带防水功能。2档位气量开关，大小气量随自己控制。优质出气沙特，出气更均匀。适用户外活体鱼饵，鱼，虾等补充氧气，家用鱼缸等。出气量 1- 2L/min 左右. 气泵： WK816The power consumption is very smallUse 1x1.5v batteryTwo gardes pulse,adjust strong and weak power according to you likeGood water-proof. 产品尺寸：12.5x8x5cm,   137.5g100pcs/ctn   16.5/15.5kgs  52x27x42CM WK818BThe power consumption is very small,Use 1x1.5v battery 产品尺寸：12.5x8x5cm,137.5g100pcs/ctn,15/14kgs,52x27x42CM, WK818E  P-01E,The power consumption is very smallUse 1x1.5v battery,12v direct current.AC 110-220VIndicate red bulb flash appears power work normal WK818E，产品尺寸：15.5x8x5.5CM  218g, 100pcs/ctn,25/24kgs,58x33.5x43CMP-01E,15.2x8x5.5CM,176.5g,100pcs/ctn,25/24kgs,61x33.5x43CM          P-01  P-02  WK168Use 2x1.5v batteryLight weight & small dimension,easily for use.moden designEconomical P-01产品尺寸：14x8x4CM,125g,100pcs/ctn,15.5/14.5kgs,47x29.5x42CMP-02产品尺寸：14x8x4.5CM,141.5g,100pcs/ctn,17.5/16.5kgs,52x31x41CMWK168产品尺寸：14x8x4CM,133g,100pcs/ctn,15/14kgs,47x29.5x42CM DW268高级三维造型，外型美观转动系统装有精密轴承出气量大，低噪音，低功耗电路设计防水性能良好多用电源使用3V直流电池1.5V5#4pcs12V车栽电源110-220V交流电源 Use advanced 3D software for moden designThe power consumption is very small,low noise,Good waterproofSeveral power use,3V battery,12V direct current.AC110-220V.    DW2681高级三维造型，外型美观转动系统装有精密轴承出气量大，低噪音，低功耗电路设计防水性能良好使用3V直流电池1.5V5#4pcs Use advanced 3D software for moden designThe power consumption is very small,low noiseGood waterproofUse 3V battery,1.5V5#4pcs* 低电消耗,使用1节1.5V 1#电池<Br>
* 两个档次调转速开关,可任意调节转速.<Br>
* 防水<Br>
* 造型完美,便于携带