The Byron BY101/BY102 wireless door chime has a 60 metre operating distance with an 80db rating. It provides a choice of four melodies. Self-learning codes will keep the code even when the batteries run out and are replaced. This door chime can have up to 2 bell pushes controlling the chime.
The Chime requires 3 x AA batteries (NOT included).
The Push requires 1 x 23A battery (included).
BY101: 1 x Portable Chime & 1 x Wireless Push.
BY102: 1 x Plug In Chime & 1 x Wireless Push.