... .Can store 207 piece slogans,music or other Voice Prompt With Sensor (WT6120F10) record bell, Announcer bell alarm,bell ,anti-theft ... °angle of view,distance is about 5m.* With mounting bracket, 180°adjustable angle sensor.* Power supply by batteries AA or external ... chime, it will play.* Record door chime, human body sensor chime* Human body sensor chime, door chime, record door chime, human body ...