Unlike the traditional wireless doorbell, our doorbell uses the most advanced technology, has 4 modes, can be changed according to the use of the environment at will,easy to use, can be used as a common doorbell, can also use for the elderly pager, a variety of scenarios are applicable, if your home is relatively large, you can buy more sets of doorbell back to connect them So you won't lose your visitors again.
Style:1 Button + 2 Receiver
Item Weight:9.1 ounces
Product Dimensions:3 x 0.8 x 3.3 inches
Batteries:1 CR2 batteries required. (included)