{"product_id":"orno-wireless-battery-doorbell-opera-dc-29284-html","title":"Orno Opera DC Wireless Battery Doorbell – 433.92 MHz, 100 m Range \u0026 36 Ringtones","description":"\u003cp\u003eThe Orno Opera DC is a wireless battery-powered doorbell that installs without any cable connection. The transmitter mounts at the door and the receiver plugs in indoors, communicating over the 433.92 MHz band with a maximum range of 100 m.\u003c\/p\u003e\u003cp\u003eA built-in learning system automatically pairs additional transmitters, allowing multiple doorbells or call buttons to share one receiver — useful as a household doorbell or as a call device for elderly or mobility-limited users. The receiver offers 36 ringtones, optical indication, and adjustable volume from 50 to 90 dB.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFully wireless operation — no cable runs required\u003c\/li\u003e\n\u003cli\u003eMaximum transmission range of 100 m between transmitter and receiver\u003c\/li\u003e\n\u003cli\u003eOperating frequency: 433.92 MHz\u003c\/li\u003e\n\u003cli\u003eLearning system automatically pairs additional transmitters\u003c\/li\u003e\n\u003cli\u003eReceiver with 36 selectable ringtones and optical indication\u003c\/li\u003e\n\u003cli\u003eAdjustable doorbell volume from 50 to 90 dB\u003c\/li\u003e\n\u003cli\u003eIP44-rated transmitter for outdoor door-side mounting\u003c\/li\u003e\n\u003cli\u003eBlack colour\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Benefits\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSimple installation without wiring through walls or doorframes\u003c\/li\u003e\n\u003cli\u003eExpandable with extra transmitters for multiple entry points\u003c\/li\u003e\n\u003cli\u003eWide volume range from 50 to 90 dB suits quiet homes and noisy environments\u003c\/li\u003e\n\u003cli\u003eOptical indication assists hearing-impaired users\u003c\/li\u003e\n\u003cli\u003eIP44 transmitter withstands outdoor moisture exposure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Transmission Range:\u003c\/strong\u003e 100 m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 433.92 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable Transmitters:\u003c\/strong\u003e Yes (learning system)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmitter Power:\u003c\/strong\u003e 12V, 1 x A23 battery (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmitter IP Rating:\u003c\/strong\u003e IP44\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmitter Dimensions:\u003c\/strong\u003e 40 x 86 x 20 mm (W x H x D)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmitter Max. Power:\u003c\/strong\u003e \u0026lt;10 mW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReceiver Power:\u003c\/strong\u003e 4.5V, 3 x AA batteries (not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRingtones:\u003c\/strong\u003e 36\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 50-90 dB (adjustable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical Indication:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReceiver Dimensions:\u003c\/strong\u003e 88 x 86 x 34 mm (W x H x D)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhy You'll Love It\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eQuick setup makes it ideal for renters or homes where wiring is impractical\u003c\/li\u003e\n\u003cli\u003eExpandable receiver supports multi-door and multi-room setups\u003c\/li\u003e\n\u003cli\u003eLoud, configurable chime tones suit a wide range of users\u003c\/li\u003e\n\u003cli\u003ePackage includes 1x Orno Opera DC Wireless Battery Doorbell\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"REDLED","offers":[{"title":"Default Title","offer_id":56579849060734,"sku":"511689","price":20.7,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/2250\/3550\/files\/15675327611262.webp?v=1779641254","url":"https:\/\/lynk.gr\/en-eu\/products\/orno-wireless-battery-doorbell-opera-dc-29284-html","provider":"Lynk.gr","version":"1.0","type":"link"}