This Byron B306 Wirefree Plug-Through Chime kit has a 50 metre operating distance. It provides a choice of two melodies & has volume control. It features self learning codes & will keep the code even when the batteries run out & are replaced. Its plug-through feature means that there is no loss of socket-another mains powered object can to be powered by plugging into the chime's socket. The chime can have up to 2 bell pushes controlling the chime. It has a 80-85dB rating, depending on the sound. Compatible with all Byron B ranges.
The chime is mains powered
The push requires 1 x 23A battery (included).
The BYRB306 Wirefree Plug Through Chime Kit has the following specifications: