Exhibit 16.1

Baker Tilly US, LLP

1500 RXR Plaza, West Tower

Uniondale, NY 11556

United States of America

T: +1 (516) 747 2000

F: +1 (516) 747 6707

bakertilly.com

October 27, 2023

Securities and Exchange Commission

100 F Street, NE

Washington, DC 20549

Dear Ladies and Gentlemen:

We are the independent registered public accounting firm for Napco Security Technologies, Inc. (the “Company”). We have read the Company’s disclosure set forth in Item 4.01 “Changes in Registrant’s Certifying Accountant” of the Company’s Current Report on Form 8-K dated October 27, 2023 (the “Current Report”) and are in agreement with the disclosure in the Current Report, insofar as it pertains to our firm.

Sincerely,

/s/ Baker Tilly US, LLP

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Rev. July 2023