Inside is a piezo plus the driver circuitry and electric components. Sound Pressure Level: 85 dB. Material: ABS and electric components. Well made of premium ABS material, this item is and practical use.
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Schalldruckindex: 120dB. Übertragungsrate: 3Hz um ±10%.
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2Pcs AI-2304-TF-LW120-12V-R
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2Pcs AI-2429-TT-12V-R
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10PCS 17mm Diam Piezo Piezoelectric Passive Buzzers Speaker Alarm with Lead Wire Description: Rated voltage: 12V Operating voltage: 1-30V Rated current(maz): 2mA Mini sound output at 10cm: 80dB Resonant Frequency: 4000+or-500HZ Housting material: ABS Package Included: 10pcs X 1710 Dia 17mm Passive Piezo Buzzer Please Note: Passive Piezo Buzzer can't make sound when you apply power, active buzzer can do that. Here is the link for active buzzer：https://www.ebay.com/itm/233721752345.
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Integrated piezo driver generates either a continuous or fast pulsing tone 3.0 +/-20% Hz. SPL (fast pulse): 88 dB min. @ 30cm/12V (92 dB max. Current: ~12mA @ 12V. Rated Frequency: 2300-3300 Hz (2800 Hz nominal). ).
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This Piezo Buzzer component is a electric XT-XXQ with integrated structure which can be used for MINI alarm speaker. Piezo Buzzer(5pcs, Depends on the type you choose). The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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Drive Mode: Piezo electric. Item Type: Buzzer. 10 x Buzzer. Adopt a high‑quality motor, which is sensitive to trigger and has excellent alarm performance. Small in size and light in weight, convenient to carry and use at any tim e, very convenient and practical.
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