{"product_id":"home-wireless-self-electric-doorbell-no-wiring-power-off-memory-habit-waterproof-works-with-mijia-app-smart-control","title":"Home Wireless Self-electric Doorbell No Wiring Power-off Memory Habit Waterproof Works with Mijia App Smart Control","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px; font-family: times new roman, times, serif;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px; font-family: times new roman, times, serif;\"\u003e1. Working principle: \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px; font-family: times new roman, times, serif;\"\u003eWhen someone presses the doorbell button, the integrated energy harvesting device (such as piezoelectric ceramics or electromagnetic induction principle) activates, converting the kinetic energy of the press into electricity. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px; font-family: times new roman, times, serif;\"\u003e• This amount of power is enough to send a wireless signal to an indoor receiver. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px; font-family: times new roman, times, serif;\"\u003e• Signals via 433Mhz wireless transmission technology are sent to a matching indoor receiving unit. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px; font-family: times new roman, times, serif;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px; font-family: times new roman, times, serif;\"\u003e2. Product features: \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px; font-family: times new roman, times, serif;\"\u003e• Self-electric power supply: no need to replace the battery, reducing maintenance costs and environmental pollution. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px; font-family: times new roman, times, serif;\"\u003e• Remote transmission: The ability to achieve long-distance signal transmission, ensuring that no matter which corner of the home can clearly hear the doorbell sound. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px; font-family: times new roman, times, serif;\"\u003e• Change the ringtone: the built-in 36 ringtones can be freely switched.\u003c\/span\u003e\u003c\/p\u003e","brand":"mickcara","offers":[{"title":"EU Plug","offer_id":43161229361289,"sku":"77c447-4-EUPlug","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0365\/2131\/2393\/files\/d55adc6725f5f0ed06cdcffba6fc4d4a.jpg?v=1732694573","url":"https:\/\/mickcara.com\/fr\/products\/home-wireless-self-electric-doorbell-no-wiring-power-off-memory-habit-waterproof-works-with-mijia-app-smart-control","provider":"mickcara","version":"1.0","type":"link"}