Classic Wireless Doorbell - Stylish modern design, artful with simplicity, elegant and unique. Excellent materials keep itself from getting higher temperature & interference.
36 Melodies & Adjustable Volume - The wireless doorbell offers a wide selection of 36 chimes for your personal taste, you can have a Christmas doorbell during the christmas season, for example, and more. 4-level of volume range from 25dB to 110dB to meet your needs for different occasions.
Registered Patent Numbers: D890,011S(U.S.)