{"product_id":"elk-doorbell-and-telephone-ring-detector-elk930","title":"Elk Doorbell \u0026 Telephone Ring Detector","description":"\u003ch2 class=\"UniqueSellingProposition\"\u003eConverts Signal To Activate Automated Response\u003c\/h2\u003e\u003cp\u003eThe ELK-930 performs three functions. It can detect ring activation from one or two doorbell buttons and a single telephone line. It conveniently isolates the voltage and current and produces a signal which can be used to trigger an automation controller, relay, timer, etc. The circuit board is pre-scored so that the individual detectors may be snapped off (separated) from each other.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSmall, Compact Size\u003c\/li\u003e\n\u003cli\u003eDouble Sided Foam Tape Provided For Mounting\u003c\/li\u003e\n\u003cli\u003eLifetime Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 class=\"HeadingSpecifications\"\u003eDoorbell\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDetects Doorbell Activation Current\u003c\/li\u003e\n\u003cli\u003eInputs for Two Separate Pushbutton Locations\u003c\/li\u003e\n\u003cli\u003eNo Interference With Lighted Pushbuttons\u003c\/li\u003e\n\u003cli\u003eProduces an Open Collector Output\u003c\/li\u003e\n\u003cli\u003ePowered by the Doorbell Transformer\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 class=\"HeadingSpecifications\"\u003eTelephone\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDetects Telephone Ringing Voltage\u003c\/li\u003e\n\u003cli\u003eProvides\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Elk Products","offers":[{"title":"Default Title","offer_id":44085340799064,"sku":"ELK930","price":55.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/5313\/6472\/files\/ELK930_media-001.jpg?v=1778283728","url":"https:\/\/www.homecontrols.com\/products\/elk-doorbell-and-telephone-ring-detector-elk930","provider":"Home Controls","version":"1.0","type":"link"}