Groomix Automatic Timing Bell is a clock based timing control automatic system that is used at schools and colleges for automatic voice announcement and bell ringing. This system let you set 30 clock time for bell ringing/voice announcement per day. Ring of bell is produce by electronically and sound through load-speak. This set up make it high quality sound with life long durability. One load-speak is cover 50 radius of area and to increase area of bell, multiple load-speaker can be connected. You can set pre-recorder audio voice in Hind & English. This device is built-in amplier, hence no external amplifier is required for medium size school/ organization. This device is also option for microphone input for live announcement.