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Feature 1.Yüksek performans: Akıllı USB Kapı Zili ultra düşük güç tüketimi, uzun hizmet 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 Song Ringtones: The SOS Button Doorbell has 30 song ringtones to choose from, and you can select your favorite music 4.Kolay Kurulum: Mini Kapı Zili kolay kurulur ve birkaç dakika içinde kurulabilir 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 Specification Doorbell receiver Product name: Wireless Doorbell Receiver Model: AK-C220616 You sic 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 / 2.2 * 1.2 * 0.2in excluding housing Product weight: 8g without housing, including speaker Working Voltage: DC5V/1A Standby current: 4.6mA Working current: 120mA Receiving sensitivity: -105dB Working temperature: -20-70℃ Single button remote control Product Name: Single Button Remote Control Model: SOS-V2.0 Operating frequency: 433.92MHz Battery type: button battery 2016 * 3 Modulation mode: ASK Encoding format: EV1527 Shell material: ABS Product size: 45 * 45 * 14mm/1.7*1.7*0.5in including housing Net weight of product: 11g including shell and battery Working Voltage: DC9V Quiescent current: 0.1uA Emission current: 20mA Transmission power: +10-13dBm Working temperature: -20-70℃ Patskage included 1 x Wireless Doorbell Receiver 1 x Single Button Remote Control with Battery Note: NO retail box, but still wil pack it veri vel