... music or other Voice Prompt With Sensor (WT6120F10) record bell, Announcer bell alarm,bell ,anti-theft alarm ,security alarm ,security system Features ... slogans, message or music, and easy to change.* A sound of distinct pitch as H1-F1.* Speaker built- ... sensor chime Applicationsbell alarm,alarm system, human body sensor, door bell... Speeding alarm , vehicle speeding alarm , overspeed alarm , alarm ...