Name: electronic buzzer, piezo buzzer.
Material: ABS plastic.
Colour: black.
Application: for gas alarms, house security alarms, timers, computers, printers, household appliances, public electronic equipment and other various devices that require an alarm device.
Package content: contains 14pcs piezo buzzers, size 47x30mm/1.85x1.18inch, wire length 120mm/4.72inch.
Operating voltage: DC3-24V.
Operating frequency: 3100Hz.
Product sound pressure: 100dB.
Operating temperature: -20 degree Celsius to +80 degree Celsius.