ONE PAIR -- 2 SIRENS -- NEW IN BOXES -- TOTAL LENGHT 6 1/2" SUNSENTRY  PART #VP9503 --ELECTRONIC HIGH-LOW EUROPEAN TYPE - INSTRUCTIONS ARE IN THE BOX - FREE SHIPPING IS TO LOWER 48 STATES ONLY - SHIPPING IS EXTRA TO ALL OTHERS NOT LOWER 48 STATES - HI. AK. P.R. AND INTERNATIONAL - ASK FOR SHIPPING QUOTE FIRST (1-F-3)