3pcs Piezo Dc Enclosed Piezo Alarm for Boys and Girls Safety Emergency

Package Include 3 x piezo Characteristics - Material: ABS and electric components for game show - Sound Pressure Level: 85 motor - Rate Voltage: 12V piezo sensor - Operating Voltage: 3 - 24V loud gym - Size: 2.2x2.2x1cm mechanical components - Frequency: 3000 + / - 500Hz passive piezoelectric - Drive Method: Drive Circuit Built in Mounting Holes hand - The features low voltage, low power consumption and high voice pressure. - Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! fake beeper - Well made of premium ABS material, this item is and practical use classroom buzzers. - crime prevention - -24V rated voltage, 2 connctor, convenient for connecting. for industrial use game buzzers for game night. - Inside is a piezo plus the driver circuitry and electric components sound .Goods Descriptionpiezo beeper Designed with 2 connctor, which is convenient for connecting.piezoelectric generator Inside is a piezo plus the driver circuitry.game buzzers for game night The features low voltage, low power consumption and high voice pressure.circular product for industrial use.car alarm This item is a piezo electronic alarm , well made of , this item is and practical use

• Drive method: drive circuit built in mounting holes,circular ,loud gym
• The features low voltage, low power consumption and high voice pressure - warm tip: dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item sincerely hope that you can understand! thank you!,drone alarm ,classroom buzzers
• Mechanical components: -24v rated voltage, 2 connctor, convenient for connecting for industrial use,piezo beeper
• Game buzzers for game night:inside is a piezo plus the driver circuitry and electric components,anti-theft
• Piezo :well made of premium abs material, this item is and practical use,reindeer motor