Adapt to multiple accessories

Strong signal , 150m long distance Transmission

Long operating range can be up to 500ft (150m) in open space , great for large house including villas , apartment , offices , shops , warehouse , etc .

 

Multiple room types can be selected for various combinations

 

When the elderly encounter danger, they can press the doorbell

Doorbell : 220V AC , Plug and play .

Button : Fixed with double-sided tape . Built-in battery

 

Smart Wireless Doorbell

 

4 levels adjustable volume

 

33 songs optional

 

M558 : 48mm*15mm*95mm

 

F60 : 40mm*10mm*77mm