{"id":30377,"date":"2025-11-18T02:31:30","date_gmt":"2025-11-18T01:31:30","guid":{"rendered":"https:\/\/firemat.de\/produkt\/heidemann-70821-hx-style-wireless-doorbell-complete-set\/"},"modified":"2026-09-19T19:37:48","modified_gmt":"2026-09-19T17:37:48","slug":"heidemann-70821-hx-style-wireless-doorbell-complete-set","status":"publish","type":"product","link":"https:\/\/firemat.de\/en\/produkt\/heidemann-70821-hx-style-wireless-doorbell-complete-set\/","title":{"rendered":"Heidemann 70821 HX Style Wireless Doorbell Complete Set"},"content":{"rendered":"<article>&nbsp;<\/p>\n<\/article>\n<article>The aluminum-look set features 8 melodies in addition to the optical call signal via LED.<\/p>\n<\/article>\n<article>Operation requires 2 x 1.5 V AA batteries for the receiver.<br \/>\nThis range specification refers to the so-called &#8220;open-field range&#8221; (range with direct line of sight between transmitter and receiver, without interfering influences). In practical operation, however, walls, ceilings, etc., are located between the transmitter and receiver, which reduces the range accordingly.<\/p>\n<\/article>\n<article>\n<ul>\n<li>Transmitter including CR 2032 button cell, receiver, and operating instructions. <\/li>\n<li>Wireless range up to 150 m<\/li>\n<\/ul>\n<\/article>\n<article>&nbsp;<\/p>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; The aluminum-look set features 8 melodies in addition to the optical call signal via LED. Operation requires 2 x 1.5 V AA batteries for the receiver. This range specification refers to the so-called &#8220;open-field range&#8221; (range with direct line of sight between transmitter and receiver, without interfering influences). In practical operation, however, walls, ceilings, [&#8230;]\n","protected":false},"featured_media":30378,"template":"","meta":[],"product_brand":[],"product_cat":[4313],"product_tag":[4026,5031,5032,5033,5034,5035,4003,4008],"class_list":["post-30377","product","type-product","status-publish","has-post-thumbnail","product_cat-diy-hardware-store-products","product_tag-70821-2","product_tag-heidemann-70821","product_tag-heidemann","product_tag-hx-style","product_tag-second-bell","product_tag-a0-61","product_tag-04011150708216-2","product_tag-4011150708216-2","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple","has-product-safety-information"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Heidemann 70821 HX Style Wireless Doorbell Complete Set &#8226;<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/firemat.de\/en\/produkt\/heidemann-70821-hx-style-wireless-doorbell-complete-set\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Heidemann 70821 HX Style Wireless Doorbell Complete Set\" \/>\n<meta property=\"og:description\" content=\"&nbsp; The aluminum-look set features 8 melodies in addition to the optical call signal via LED. Operation requires 2 x 1.5 V AA batteries for the receiver. This range specification refers to the so-called &#8220;open-field range&#8221; (range with direct line of sight between transmitter and receiver, without interfering influences). In practical operation, however, walls, ceilings, [...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/firemat.de\/en\/produkt\/heidemann-70821-hx-style-wireless-doorbell-complete-set\/\" \/>\n<meta property=\"og:site_name\" content=\"Firemat Brandschutzunterlage - Feuerfeste Unterlage \/ Matte\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/FireMat4You\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-19T17:37:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/firemat.de\/wp-content\/uploads\/2025\/11\/Heidemann-70821-HX-Style.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":[\"WebPage\",\"ItemPage\"],\"@id\":\"https:\\\/\\\/firemat.de\\\/en\\\/produkt\\\/heidemann-70821-hx-style-wireless-doorbell-complete-set\\\/\",\"url\":\"https:\\\/\\\/firemat.de\\\/en\\\/produkt\\\/heidemann-70821-hx-style-wireless-doorbell-complete-set\\\/\",\"name\":\"Heidemann 70821 HX Style Wireless Doorbell Complete Set &#8226;\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/firemat.de\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/firemat.de\\\/en\\\/produkt\\\/heidemann-70821-hx-style-wireless-doorbell-complete-set\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/firemat.de\\\/en\\\/produkt\\\/heidemann-70821-hx-style-wireless-doorbell-complete-set\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/firemat.de\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Heidemann-70821-HX-Style.jpeg\",\"datePublished\":\"2025-11-18T01:31:30+00:00\",\"dateModified\":\"2026-09-19T17:37:48+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/firemat.de\\\/en\\\/produkt\\\/heidemann-70821-hx-style-wireless-doorbell-complete-set\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/firemat.de\\\/en\\\/produkt\\\/heidemann-70821-hx-style-wireless-doorbell-complete-set\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/firemat.de\\\/en\\\/produkt\\\/heidemann-70821-hx-style-wireless-doorbell-complete-set\\\/#primaryimage\",\"url\":\"https:\\\/\\\/firemat.de\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Heidemann-70821-HX-Style.jpeg\",\"contentUrl\":\"https:\\\/\\\/firemat.de\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Heidemann-70821-HX-Style.jpeg\",\"width\":1000,\"height\":1000},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/firemat.de\\\/en\\\/produkt\\\/heidemann-70821-hx-style-wireless-doorbell-complete-set\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/firemat.de\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Fireproof Mats &#038; Fire Protection Mats with T\u00dcV Certification\",\"item\":\"https:\\\/\\\/firemat.de\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Heidemann 70821 HX Style Wireless Doorbell Complete Set\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/firemat.de\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/firemat.de\\\/en\\\/\",\"name\":\"FireMat feuerfeste Unterlage, Brandschutz\",\"description\":\"Feuerfeste Unterlage, T\u00dcV S\u00dcD Bescheinigt nach DIN EN ISO 11925-2\",\"publisher\":{\"@id\":\"https:\\\/\\\/firemat.de\\\/en\\\/#organization\"},\"alternateName\":\"Feuerfeste Unterlagen f\u00fcr Elektroger\u00e4te - T\u00dcV S\u00dcD Bescheinigt\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/firemat.de\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/firemat.de\\\/en\\\/#organization\",\"name\":\"KeyCoon GmbH\",\"alternateName\":\"FireMat\",\"url\":\"https:\\\/\\\/firemat.de\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/firemat.de\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/firemat.de\\\/wp-content\\\/uploads\\\/2019\\\/03\\\/Skyline_Keycoon_logo_yellow_930x572.png\",\"contentUrl\":\"https:\\\/\\\/firemat.de\\\/wp-content\\\/uploads\\\/2019\\\/03\\\/Skyline_Keycoon_logo_yellow_930x572.png\",\"width\":930,\"height\":572,\"caption\":\"KeyCoon GmbH\"},\"image\":{\"@id\":\"https:\\\/\\\/firemat.de\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/FireMat4You\\\/\",\"https:\\\/\\\/www.youtube.com\\\/watch?v=Bgj7o2-SaWI\"],\"description\":\"Hersteller von feuerfesten Unterlagen. 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