BT Loud Indoor Telephone Bell - Easy Plug In & Use - Bell
BT Loud Extension Bell Loud indoor bell ringer suitable for warehouses, large offices, garages, shop floors etcNever miss a call; even if hearing the phone is normally difficultPlugs into a standard BT socket and doesn't require an external power sourceNot suitable for use outdoors Produces a loud ring up to 80dB Dimensions (WxDxH) 14.5 cm x 5.7 cm x 14.5 cm Do i need to connect this speaker to my telephone The BT Loud extension bell does not require a direct connection to your phone, instead simply connect the phone into an existing socket on the same line, or use a standard 2 way RJ11 adapter (not included). Take note that a standard telephone line can only accept connections from 4 devices at the same time, exceeding this can cause failure of the bell or any existing connections.