Specifications Power SupplyDry BatteryProtection LevelIP67Fit Door Thickness 35-55mmSpecial FeaturesBuilted-in Gateway, Support GatewayFinish TypePowder Coated Door knob Funcition 4Biometric, Key & Keypad Connectivity WIF IWays To Unlock APP, Mechanical Keys, Finger Vein Recognition, Card, WIFI, Password Material Zinc alloy Handle Direction Direction Reversible Model NumberB07OriginMainland China Certification FCC.