Campainha sem fio com luz piscante e alerta vibratório – 36 melodias, alcance de 50 m, baixo consumo de energia (12 V, ideal para idosos e deficientes auditivos)

Never Miss a Visitor Again​​ Our upgraded wireless alert system ensures everyone can notice arrivals – whether they hear or not. ​​Why This Stands Out:​​ ✓ ​​36 Customizable Tones​​ - From gentle chimes to clear alarms ✓ ​​Visual+Vibration Alerts​​ - Flashing LED & bed-shaker compatible ✓ ​​Extended 50m Range​​ - Covers 2-story homes easily ✓ ​​Energy Efficient​​ - Uses 90% less power than competitors ✓ ​​Universal Placement​​ - Stick on doors/walls/glass (no tools) ​​Smart Scenarios:​​ • Hard-of-hearing grandpa seeing porch light flashes • Warehouse manager feeling pocket vibration alerts • Night-shift workers receiving silent light notifications • Pet owners choosing high-frequency tones dogs ignore ​​Technical Assurance:​​ • Stable 12V signal penetration through concrete walls • FCC/CE/RoHS certified for global sales • Expandable to 1 transmitter + 4 receivers (sold separately) • IP44 splash-proof button for outdoor use