Sell Portable Doorbell Wireless best price

Wireless one drag two wireless doorbell, Various music ringtones to choose from  the effective distance of 100 meters,  uses AAA batteries Waterproof design. A transmitter and a receiver Adjustable volume at four levels 36 different melodies at your choice. Lines grace, light touhch button,  various kinds oif colors foir your choiice, can bring sence of vision enjoy from lines and colors Simple, vivid and wireless installation design avoid troubles and save money when installation and don't affect  decorate environment Remote control  range up to 100 meters in the open air, suitable for homes and high-rise builaing All  day long anti-interference  system, with 10000 digital coded radio signals, pretends the doorbell from interference outside or  between neighbors Energy saving design of environment protection, the battery inside the button can last one year ( 20 presses per day) Delicate smart part, make the doorbell a saluting angel of dwelling house, office block, hotel, high-rise building, factory and so on. You will never miss any guests