The ACR MagnumB Emergency Position Indicating Radio Beacon (EPIRB) is a United States-manufactured emergency beacon designed to alert rescue authorities in the event of an emergency on the water. With no warranty and the manufacturer part number P/N 2768, this device is reliable and built to last. The brand ACR is well-known for producing high-quality safety gear and devices, making this EPIRB a trusted choice for boating enthusiasts and those in need of emergency assistance on the water.