Wireless Tuya WiFi Alarm Siren Smart Life Home Security Systems Alexa Google with 100DB Sound 
◆Remotely control home appliances from anywhere;
◆Add and control multiple devices at once with one App;
◆Work with Amazon Alexa/Google Assistance;
◆Easily share devices among family members;
◆Power: DC5V 1A;
◆10 Alarm sound optional;
◆Alarm sound level: 100dB