{"product_id":"liftmaster-m-duty-single-button-control","title":"90-MLSBC Medium Duty Single Button Control (M49 Mod)","description":"\u003cp class=\"richp\"\u003eThis modification kit provides an additional input for single-button control functionality. The input will function as a Close input when the door operator is stopped at the Open limit. \u003c\/p\u003e\u003cp class=\"richp\"\u003eThe input will function as an Open input at all other times. \u003c\/p\u003e\u003cp class=\"richp\"\u003eRequired on Medium-Duty Logic door operators for single-button control with external radio receivers. Recommended factory installed, but field modification kits are available.\u003c\/p\u003e","brand":"CHAMBERLAIN","offers":[{"title":"Default Title","offer_id":46371979886730,"sku":"90-MLSBC","price":145.7,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.rsoperators.com\/products\/liftmaster-m-duty-single-button-control","provider":"R\u0026S Automation, Inc.","version":"1.0","type":"link"}