SDC EA-728V EA Series Double Gang Door Prop Alarm with Keylock Reset/Bypass, Replaces 728U

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With a visually appealing and functional design, the SDC EA-728V EA Series Double Gang Door Prop Alarm from JBJ Supply is compatible with all access control systems. This access control tool can also function as a stand-alone home security solution or commercial security system, monitoring behavior by students on campus and employees at facilities. View more from our home security company now!


  • Adjustable timed delay
  • Exit alarm on door opening
  • Automatic or manual alarm reset
  • Output relays for remote monitoring
  • Integral b-color LED status indicator 
  • Optional key reset/bypass switch
  • Compact universal mounting
  • 85dB Piezo Buzzer Alarm


  • Model: SDC EA-728V EA Series Double Gang Door Prop Alarm With Keylock Reset/Bypass, Replaces 728U
  • Color: Chrome
  • Manufacturer: Security Door Controls

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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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