 AMITYVILLE, N.Y., May 5, 2021 PRNewswire -- NAPCO Security Technologies, Inc. NASDAQ: NSSC, one of the leading manufacturers and designers of high-tech electronic security devices, wireless recurring communication services for intrusion and fire alarm systems as well as a leading provider of school safety solutions will release financial results for its Fiscal Third Quarter which ended March 31, 2021 on Monday May 10, 2021 before the market opens followed by a conference call at 11 A.M. 