The Byron Smartwares B306 Wireless Plug-Through Chime has a 50 metre operating distance. It provides a choice of two melodies and has volume control. It features self-learning codes and will keep the code even when the batteries run out and 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).