Power Supply Built-in Rechargeable Battery Protection Level IP66 Suitable for Mortise 6068 Fit Door Thickness 45mm-150mm Suitable Door Type Steel Door,Wooden Door,Glass Door,Brass Door,Stainless Stell Door,other Special Features Built-in Doorbell,Built-in Camera,Bulit-in Peephole,Bulit-in Screen,Two-way Audio Doorknob Funcition Biometric,Key & Keypad Connectivity WIFI Ways To Unlock Face Recognition Material aluminium alloy
