How can I find/buy a professional barber-caliber electric razor to shave my head so I can skip the barbers?

go to walmart look in the hair departmentHow can I find/buy a professional barber-caliber electric razor to shave my head so I can skip the barbers?
www.ebay.comHow can I find/buy a professional barber-caliber electric razor to shave my head so I can skip the barbers?
u can buy them at a beauty supply store...thats where they buy them at...its open to the public so u wouldnt have no trouble

this works