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Feature: 1.Yüksek performans: Akıllı USB Kapı Zili ultra düşük güç tüketimi, uzun kullanım ömrü ve -20-70°C çalışma sıcaklığı aralığına sahiptir℃, which can withstand various adverse weather conditions 2.Modern ve Pratik Tasarım: Kablosuz Kapı Zilimizin şık bir görünümü ve kullanışlı fonksiyonları vardırHafif ve hassas, uzaktan kontrol edilebilir, hızlı talimatlar sunarak zil sesini duyarak kapıyı zamanında açmanızı sağlar 3.30 ring tones: The SOS Button Doorbell has 30 ring tones to choose from, and you can select your favorite music 4.Kolay Kurulum: Mini Kapı Zili kolay kurulur ve birkaç dakika içinde kurulabilirThe receiver can be placed with screws 5. Precautions: In environments with high wireless interference, the transmission distance of the Wireless Doorbell Receiver may be reducedIf no music sounds, check whether the horn wiring is disconnected Doorbell receiver Product name: Wireless Doorbell Re receiver Music quantity: 30 pieces Output mode; horn Demodulation method: ASK Shell material: ABS Control method: equipped with remote control Product size: 56.5 * 33 * 5.3mm Working Voltage: DC5V/1A Single button remote control Product Name: Single Button Remote Control Operating frequency: 433MHz Battery type: button battery 2016 * 3 Modulation mode: ASK Encoding format: EV1527 Shell material: ABS Product size: 45 * 45 * 14mm