System Sensor 2D51 OEM sku-2749436625 UPC 737287102423
4.1(19 ratings)System Sensor 2D51, SKU sku-2749436625, is an OEM replacement sensor for the D4120 detector, listed in Surveillance Equipment. It is designed as a direct-fit replacement for existing D4120 installations to maintain compatibility and original performance. The listed size is 4.5" x 4.5" x 2", and the UPC is 737287102423. Confirm your detector model before purchasing.
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