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◆Tuya Smart WiFi Doorbell With Alarm Function
◆ APP name:Tuya Smart Life
◆ Work with Amazon Alexa/Google Assistance
◆ Doorbell Power Supply: AC100-240V
◆ Doorbell Backup battery:3.7V 300mAh Lithium battery;
◆ Doorbell Consumption: less than 100mA;
◆ Selectable melodies: 58;
◆ Sound level: 85db;
◆ Transmittiong distance: less than 80mAM;
◆ Siren power supply: DC3V CR2032 Lithium battery
◆ Siren RF: 433MHz
◆ Support 433M alarm sensor 100pcs
◆ Support all Tuya smart product Linkage control
Other smart scence products