Campainha de intercomunicação sem fio com 38 toques e alcance de 8 andares - Bateria recarregável, receptor 1 para 2, segurança residencial/comercial (preto/branco)

Beyond Ordinary Doorbells​​ Engineered for ​​multi-floor homes​​ and ​​commercial spaces​​, Heyijia Wireless Intercom delivers ​​crystal-clear communication​​ across ​​8 floors​​ without wiring hassles. ​​Why This Stands Out​​ ​​38 Melodic Chimes​​ – Personalize alerts for different occasions ​​8-Floor Penetration​​ – Stable connection from basement to attic ​​8-Month Battery​​ – Rechargeable lithium for doorbell unit ​​1-to-2 Receivers​​ – Monitor entrances in 2 rooms simultaneously ​​Anti-Interference Tech​​ – Reliable signal in crowded wireless environments ​​Smart Solutions for Real Needs​​ ​​For villas​​: Hear doorbells from the garden to the top floor ​​For hotels​​: Front desk alerts housekeeping instantly ​​For factories​​: Warn workers without shouting over machinery ​​Quick Start Guide​​ ​​Mount​​ doorbell (adhesive/magnetic options) ​​Pair​​ receivers within 30 seconds ​​Select​​ chimes via receiver buttons ​​Choose Black (matte stealth) or White (modern minimalist) to match your space.​