Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Wayne R. Willkomm, Chief Executive Officer of Lifeloc Technologies, Inc. (the "Company"), hereby certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

  ● the Quarterly Report on Form 10-Q of the Company for the period ended March 31, 2018 (the "Report") fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and  

  ● the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company for the period covered by the Report.  

Dated: May 11, 2018

/s/ Wayne R. Willkomm

Wayne R. Willkomm, Ph.D.

Chief Executive Officer

(Principal Executive Officer)