20000rpm portable electric acrylic nail drill file buffer machine kit for liquid monomer dip powder gel polish tips with professional salon manicure pedicure brush efile set 26pcs sanding band asalle di yangprofessional salon nail drill set:advantage 1:new-developed nail drill is upgraded designed in appearance, performance, quality, andmakesyou own the most comfortable feeling for usage.adcabtage 2: multifunctional use for acrylic nails, gel nails, thick nails, dip powder nails, dead skin, callus,cuticle removal, manicure&pedicure, prep nails, etc.advatage 3:fashionable, professional, portable, powerful, no matter you are nail technicians or beginners,no matterfor home or salon use, you find the most suitable manicure e file kit and enjoy the best service. why is thisnail drill the most choice for manicure& pedicure?1.low cost win the most benefit; just a nail drill set can meet all your need for your nail art.2.equipped with premium motor for the stability of your operation and extending the service of life.3.multifunctional nail drill meets all your need for nail art for save your money.4.high torque and high quality bearing for the environment of low vibration and noise.5.exclusively premium aluminium body for efficiency heat dissipation.specification:input voltage range: 110voutput voltage:dc 12voutput current: 1000maspeed: 0-20,000 rpmpackage list:1 * nail drill11 * nail drill bits1* nail brush26* sanding bands1* adapter1* manualhow to maximize the service life for this nail drill?1.to extend the machine life, please turn off the power when changing nail bits.2.don't change the rotation too frequently in order to avoid the hand piece being damaged.3.to prevent overheating, no more than 20 minutes of continuous use each time.