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Introduction: This smart wireless doorbell adopts advanced wireless transceiver technology, high-quality voice processing technology, supports up to 32 songs, and its performance is stable and reliableDoorbell, anti-theft, multi-purpose welcomeUygun ev, villa, dükkan, otel ve ofis vb. için Eye-catching backlight flashes when someone pushes the doorbell Özellikle yaşlılar, hamile kadınlar ve işitme engelliler için uygun Main Features: 1.33 songs optionalfor doorbell button 2.Doorbell, alarm, multi-purpose welcome 3.30 transmitters can be learned without power loss 4.Support 1527/2262 code chip. button 5.Volume 4 adjustable. No mute mode 6.Support multiple doorbell transmitters, suitable for large houses Adapt to Multiple Accessories Strong signal, 150m long-distance transmission Long operating range can be up to 500ft (150m) in open spaces, great for large houses including villas, apartments, offices, shops, warehouses, etc Smart Wireless Doorbell Vgen iu pres the bud The doorbell will receive the signal and you will hear the sweet tunes immediately 4 Levels Adjustable Volume, 33 Optional Songs 33 ring tones for your option, you can select regularly, and don't feel bored. Avoid the same ring with the neighbors When the elderly encounter danger, they can press the doorbell Plug and PlayKullanımı kolay Doorbell: 220V AC, Plug and play Button: Fixed with double-sided tapeBattery built-in DIY Your Own Set