Model: M2BJ-BH24E. 
Appearance: High sound.
w/jumper direction A: Intermittentshort.
w/jumper OMRON M2BJ-B06A direction B: Intermittent long.
Supply voltage: 12 to 24 VAC/VDC.
Rectangular OMRON M2BJ-B06A standard-volume model.
Buzzer Cylindrical 16-dia., 
Bu
Model: OMRON M2BJ-B06A M2BJ-B24A. 
Appearance: Standard sound.
w/jumper direction A: Intermittent.
w/jumper direction B: Continuous.
Supply voltage: 12 to 24 VAC/VDC.
Rectangular standard-volume model.
Buzzer Cylindrical 16-dia., 
Buzzer Unit Ser
Model: M2BJ-BH24D-D. 
Appearance: High sound.
w/jumper direction A: Intermittenthigh-pitched.
w/jumper direction B: Continuous.
Supply voltage: 12 to 24 VDC.
Rectangular standard-volume model.
Buzzer Cylindrical 16-dia., 
Buzzer
Model: 
M2BJ-B06C. 
Appearance: Standard sound.
w/jumper direction A: Intermittentshort,  high-pitched.
w/jumper direction B: Intermittentlong,  high-pitched.
Supply voltage: 6 VAC/VDC.
Rectangular M2BJ-B06A standard-volume model.
Buzzer
   
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