2 PCS Piezo Buzzer, Icstation Buzzer Alarm 12V Electronic Be

Active piezo electronic buzzer module support DC 324V wide voltage power supply. It is a continuous Tone. As long as it is been powered it will Beep continuously.Sound Output 100dB at 12V DC 30cm, Response Frequency 3000500Hz, these buzzers are very loud which are not used indoors, them could be used outdoors, such as traffic, factory, etc..Rated Current 15mA, Module Size 30 X 15mm1.18 X 0.59inchDT MORE DETAILS asin B01LAYWUDO audiblenoise 85 db bestsellersrank 12,001 in Electronics See Top 100 in Electronics 37 in Security Horns Sirens brand IS color Black compatibledevices Devices commonly found in industrial environments, warehouses, construction sites, public spaces, etc. controlmethod Touch customerreviews 4.4 4.4 out of 5 stars 536 4.4 out of 5 stars itemdimensionslxwxh 1.61L x 1.42W x 1.61H itemtypename buzzer alarm manufacturer icstation mfrpartnumber 923002 modelnumber SFM27 85dB Active Piezo Electronic Buzz mountingtype Wall Mount numberofitems 2 numberofpacks 2 powersource DC Power Supply sensortechnology Photoelectric Sensor shape round size 30 X 15mm1.18 X 0.59inchDT unitcount 2 Count voltage 24 volts