Item Specifics: 1.A Wide Selection of Ring Tones 38 ring tones to choose from normal doorbell sounds to popular tunes,there is bound to be something suitable. The different ones might come in handy for holidays and other occasions,Like Christmas Ring Tones. 2.A Great Range and loudness of Receiver It has an excellent range of operation of upto 120m in open air, it is loud enough that at highest setting you can hear it throughout the house.Never miss any visitors. 3.Easy to install and operate No tools are required,the push button is fixed on the door frame with double sided tape or can be fixed using the screws provide 4.A Great Warning of Flashing Light When you can not hear the ring tones, the flashing light will give you warning someone is waitting outside the door. Notice:Don't install this product in the sunny or rainy place
