System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector, 24VDC/120VAC, Replaces DH100ACDCLP

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Secure the safety of your home or business with the best DIY security systems. Don’t let the fear of burglary, property damage, or other security risks keep you up at night. With our easy-to-install and configure DIY security systems, you can be sure that your space is safe and sound. Shop at Xcessoryzone now to get the peace of mind you deserve.

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