This is a Small PCB Mountable 12V Active Buzzer. It is great to add Audio Alert to your electronic designs. It operates on 9-12V supply, uses a coil element to generate an audible tone.
 
Input Voltage: 9-12V
Current: <25MA
Color: Black
Low Power Consumption Device
 
Applications:-
Security and safety products
Portable devices
Medical equipment
Remote monitoring systems
Timers
Household appliances
Measurement and flow instruments
Weighing machines
User input recognition