Model No.：WF009-901

· 2 wire connection to transmit the audio&unlock signal from doorbell to indoor phone                        
· Built in speaker and mic, answer your door anywhere by app remotely or indoor phone hands-free button                        
· Support to open 12v electric lock anywhere by app remotely or indoor phone unlock button                        
· Indoor phone will ring to alert you when doorbell is rung                        
· IP65 Waterproof design to ensure non-stop operation in weather conditions                             

Model No.：WF901-708AD

· Built in speaker and mic, answer your door anywhere by app remotely                        
· Support to open 12v electric lock anywhere by app remotely                        
· Indoor phone will ring to alert you when doorbell is rung                        
· IP65 Waterproof design to ensure non-stop operation in weather conditions