資料來源:https://www.seeedstudio.com/scream-out-loud---110dBA-fixed-tone-Siren-p-301.html
This Passive Piezoelectric Type Buzzer is made of plastic, very eye catching colors. It can generate sound over 110DBA(!), so do not make it close to your ears when you test the buzzer. Includes build-in signal generator, just power on 6-12V and it will scream out loud.
Caution: may cause damage to human ears, security use only.
Specifications
Mechanic Dimensions
Dimensions | 120mm x 80mm x 55mm |
Weight | G.W 64g |
Battery | Exclude |
這種被動的壓電式蜂鳴器由塑料製成,非常醒目的顏色。它可以產生聲音在110DBA(!),所以不要讓它靠近你的耳朵,當你測試蜂鳴器。包括內置的信號發生器,只需接通電源6-12V,它會尖叫出聲。
注意:可能會損壞人的耳朵,只有安全使用。
產品規格
機械尺寸