Model No.：009F-901F

· RF433 wireless connection to transmit the audio&unlock signal from doorbell to indoor phone                
· Built in speaker and mic, answer your door by indoor phone hands-free button                
· Support to open 12v electric lock by indoor phone unlock button or extra wireless unlock exit button (optional)                
· Indoor phone will ring to alert you when doorbell is rung                
· IP65 Waterproof design to ensure non-stop operation in weather conditions                                              

Model No.：009FV-901FV

· RF433 wireless connection to transmit the audio&unlock signal from outdoor phone to indoor phone                
· Built in speaker and mic, answer your door by indoor phone hands-free button                
· Support to open 12v electric lock by 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.：009FD-901FD

· RF433 wireless connection to transmit the audio&unlock signal from outdoor phone to indoor phone                
· Built in speaker and mic, answer your door by indoor phone hands-free button                
· Support to open 12v electric lock by 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