EXHIBIT 31.3

CERTIFICATION
PURSUANT TO RULE 13a-14OF THE
SECURITIES EXCHANGE ACT OF 1934 as adopted pursuant to section 302 of
 the Sarbanes-Oxley act of 2002
of

Chief Financial
Officer

I, John P. Hopkins, Chief
Financial Officer of Henry Bros. Electronics, Inc. (the  Registrant ),
certify that:

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|1. | I
  have reviewed this annual report on Form 10-K of the Registrant;                                                                                                                                                                                                                                              
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|2. | Based
  on my knowledge, this report does not contain any untrue statement of a material fact
  or omit to state a material fact necessary to make the statements made, in
  light of the circumstances under which such statements were made, not
  misleading with respect to the period covered by this report;
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|3. | Based
  on my knowledge, the
  financial statements, and other financial information included in this
  report, fairly present in all material respects the financial condition,
  results of operations and cash flows of the Registrant as of, and for, the
  periods presented in this
  report;               
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|4. | The
  Registrants other certifying officers and I are responsible for establishing
  and maintaining disclosure controls and procedures (as defined in Exchange
  Act Rules 13a-15(e) and 15d-15(e)) and internal controls (as defined in
  Exchange Act Rules
  13(a)-15(f) for the Registrant and have:        
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|   | a)                                                                                                                                                                                                                                                                                                                 | Designed
  such disclosure controls and procedures, or caused such disclosure controls
  and procedures to be designed under our supervision, to ensure that material
  information relating to the Registrant,
  including its consolidated subsidiaries, is made known to us by others within
  those entities, particularly during the period in which this report is being
  prepared;
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|   | b)                                                                                                                                                                                                                                                                                                                 | Designed
  such internal controls over financial reporting or caused such internal control over
  financial reporting to be designed under our supervision to provide
  reasonable assurance regarding the reliability of financial reporting and the
  preparation of financial statements for external purposes in accordance with
  generally accepted
  accounting principles;        
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|   | c)                                                                                                                                                                                                                                                                                                                 | Evaluated
  the effectiveness of the Registrants disclosure controls and procedures and
  presented in this report our conclusions about the disclosure controls and
  procedures, as of the end of the period covered by this report based upon such evaluation; and                                                                                                                    
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|   | d)                                                                                                                                                                                                                                                                                                                 | Disclosed
  in this report any changes in the Registrants internal financial reporting
  that occurred during the Registrants most recent fiscal quarter (the
  Registrants fourth quarter) that has materially affected or is reasonably likely to materially
  affect, the Registrants internal control over financial reporting.                                                     
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|5. | The
  Registrants other certifying officers and I have disclosed, based on our
  most recent evaluation of internal control over financial reporting, to the Registrants auditors
  and the audit committee of the Registrants board of directors (or persons
  performing the equivalent function):           
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|   | a)                                                                                                                                                                                                                                                                                                                 | All
  significant deficiencies and material weaknesses in the design or operation
  of internal control
  over financial reporting which are reasonably likely to adversely affect the
  Registrants ability to record, process, summarize and report financial data;
  and                                                                                                              
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|   | b)                                                                                                                                                                                                                                                                                                                 | Any
  fraud, whether or not material, that involves management or other employees who have a
  significant role in the Registrants internal control over financial
  reporting.                                                                                                                                                                                                          

|                       |  |       |                                          
|---------------------- |  | ----- | -----------------------------------------
|Date: October 17, 2007 |  |       | /s/ John P. Hopkins                      
|                       |  |      
|                       |  | Name: | John P. Hopkins
  Chief Financial Officer

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