{"product_id":"intrasonic-retro-dbb-door-bell-button-circuit-board","title":"IntraSonic RETRO-DBB Door Bell Button Circuit Board","description":"\u003cp\u003eThe Intrasonic RETRO-DBB door bell button circuit board allows a 2-wire door bell button to be connected to the RETRO intercom system.  This board is installed behind the master unit.  The 2-conductor wire from the door bell button in connected to the board.  A 3-wire adapter cord connects the board to the door speaker connector on the master.  This enables a standard door bell to ring a chime throughout the intercom system.\u003c\/p\u003e","brand":"IntraSonic","offers":[{"title":"Default Title","offer_id":49244643688676,"sku":"IS-RETRODBB","price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1119\/5620\/files\/52940_181ec943-f68e-46ad-9c97-eaddac405ebd.jpg?v=1790109518","url":"https:\/\/notjustvacs.com\/products\/intrasonic-retro-dbb-door-bell-button-circuit-board","provider":"Not Just Vacs","version":"1.0","type":"link"}