Butler S100 Ringtone Amplifier

The Topcom Bulter S100 ringtone amplifier is particularly useful for anyone who is hard of hearing orfor anyone working in a noisy environment such as a factory. This handy device will alert you toincoming calls by emitting a powerful sound from its 85-decibel speaker. Itwill also set off a red flashing light that's hard to miss! The Butler S100 is easy to install and is compatible with DECTcordless phones. It can be powered by batteries or by the mains and can even bewall-mounted.