1.For elder&Disabled people, battery operated of the receiver and button 2. 52 melodies inside, 3. Receiver can be truned on and off. 4.Working method: emlody+vibration+light. 5.4 sound volume can be adjusted. 6.Battery operated. 7.433Mhz 8.For elder&Disabled people, battery operated of the receiver and button When pushing the button, the receiver will ring , vibrate and lighting. 9.Receiver can be hanged on cloth and take it anywhere |