Model No.：YZ05-101

· Wireless, no cabling need                        
· 32 ringtone for choosen                        
· 4 grade volume adjusting                        
· 150M remote range/receiving range (open space)                        
· Transmitter at IP44 waterproof                        
· Transmitter button lifespan: 200,000 times                        
· With LED flashing light when doorbell ringing                        
· Music IC with memory function, ringtones and volume keep same when powered off                        
· Adopt digital coding with better stability to avoid interference                        

Model No.：YZ06-101

· Wireless, no cabling need                        
· 32 ringtone for choosen                        
· 4 grade volume adjusting                        
· 150M remote range/receiving range (open space)                        
· Transmitter at IP44 waterproof                        
· Transmitter button lifespan: 200,000 times                        
· With LED flashing light when doorbell ringing                        
· Music IC with memory function, ringtones and volume keep same when powered off                        
· Adopt digital coding with better stability to avoid interference                        

Model No.：YZ07-101

· Wireless, no cabling need                        
· 38 ringtone for choosen                        
· 4 grade volume adjusting                        
· 150M remote range/receiving range (open space)                        
· Transmitter at IP55 waterproof                        
· Transmitter button lifespan: 200,000 times                        
· With LED flashing light when doorbell ringing                        
· Music IC with memory function, ringtones and volume keep same when powered off                        
· Adopt digital coding with better stability to avoid interference                        

Model No.：DQ-688

· Wireless, no cabling need                        
· 58 ringtone for choosen                        
· 4 grade volume adjusting                        
· 150M remote range/receiving range (open space)                        
· Transmitter at IP44 waterproof                        
· Transmitter button lifespan: 200,000 times                        
· With LED flashing light when doorbell ringing                        
· Music IC with memory function, ringtones and volume keep same when powered off                        
· Adopt digital coding with better stability to avoid interference                        

Model No.：M-668

· Wireless, no cabling need                        
· 58 ringtone for choosen                        
· 4 grade volume adjusting                        
· 150M remote range/receiving range (open space)                        
· Transmitter at IP44 waterproof                        
· Transmitter button lifespan: 200,000 times                        
· With LED flashing light when doorbell ringing                        
· Music IC with memory function, ringtones and volume keep same when powered off                        
· Adopt digital coding with better stability to avoid interference                        

Model No.：F-758UT

· Wireless, no cabling need                        
· 58 ringtone for choosen                        
· 4 grade volume adjusting                        
· 150M remote range/receiving range (open space)                        
· Transmitter at IP55 waterproof                        
· Transmitter button lifespan: 200,000 times                        
· With LED flashing light when doorbell ringing                        
· Receiver with USB/Type C/Socket to charge other device                        
· Music IC with memory function, ringtones and volume keep same when powered off                        
· Adopt digital coding with better stability to avoid interference