EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in the Registration Statement on Form S-3 of our report dated February 20, 2004 on our audit of the financial statements included in the 2003 annual report on Form 10-KSB of I.D. Systems, Inc. We also consent to the reference to our firm under the caption "Experts" in the Form S-3. /s/ Eisner LLP Eisner LLP New York, New York June 2, 2004