Alternate color or configuration shown POLY RD-1 Electronic Hookswitch POLY RD-1 Electronic Hookswitch. Product color: Black, Connector 1 gender: Male, Connector 2 gender: Male Manufacturers: HP INC. , POLY SKU: 7677235 Manufacturer part number: 85R71AA GTIN: 0197497573985 MSRP: $29.80 Price: $19.76 Qty: Add to cart Custom wishlist OK Add to wishlist Add to compare list Email a friend Overview Specifications Contact Us Products specifications Attribute name Attribute value Country of Origin China Technical details Product color Black Features Connector 1 gender Male Connector 2 gender Male