The Byron BY301 portable wireless door chime has a 100 metre operating distance with the loudest db rating in the Byron range of upto 90db. It provides a choice of eight melodies, volume control and flashing strobe light (optional) . Self-learning codes will keep the code even when the batteries run out and are replaced. This portable chime can have up to 6 bell pushes controlling the chime.
The Portable Chime requires 3 x C batteries (NOT included) The Push requires 1 x 23A battery (included).
Operating Distance: 100m.
Sound Rating: 90-94dB