Tuya WiFi Security Smart Digital Lock Biometric Fingerprint App Door Lock with Google Home
◆App Name: Tuya Smart Life
◆Remotely control home appliances from anywhere;
◆Add and control multiple devices at once with one App;
◆Voice control via Amazon Echo and Google Home;
◆Easily share devices among family members;
◆Material: Aluminum Alloy+Paint+IMLCover;
◆Wifi Frequency: 2.4GHz
◆Unlock by: Fingerprint, Key, ID card, Password, App; 
◆Color: Black;
◆Capacity specification: 4.5V~6.5V;