DBY-23455BS Wireless Doorbell Set - 2 Plugs - Kinetic Energy - Black

NO BATTERIES, NO WIRES: this bell set consists of a button with kinetic energy (i.e. it generates its own energy when someone presses it) and a bell to plug in. NEVER MISS A VISIT: Plug the bells into a the sockets of your choice. One can remain in a plug near your entry door, the other one can be plugged anywhere else in the house and follow you from one room to another. You will never miss a visit again! Use the supplied double-sided adhesive tape to attach the bell button or screw it in place (tool not included). EXTENSIVE WIRELESS RANGE: the bell button and the chimes communicate via 433 MHz radio frequencies, the range of which can be up to 100 m in the open field. CUSTOMIZABLE: choose from 16 melodies, adjust the volume in 4 levels (max. 85 dB) or select silent mode so that your baby is not woken up from its nap. The light ring on the bell signals a visit. ENVIRONMENTALLY FRIENDLY: the housings of the button and the bell are made of recycled plastic. The packaging contains no plastic., Manufacturer: Byron