Water Proof remote SOS emergency pendant,BT v4.0 technology Pre-recorded or User recordable emergency OGM 6 LCD Display languages and voice prompt languages Loud ringer +40dB Amplification booster 3 x one touch photo key dialing 3 x one touch memory dialing FSK / DTMF dual mode Talking caller ID ETS 300381 preferred range HAC 2-way speaker phone with LED indication Shaker outlet