2 Pcs Electronic Continuous Sound Piezo Buzzers IC Alarm DC 1-30V 80dB

Plastic housing, DC 1-30V working voltage, 2 terminals, convenient for connecting.
They have good characters like small cubage, low wastage and high voice pressure.
Notes: Passive Piezo Buzzer needs oscillating circuit to operate normally.
Sound Output at 10cm(Min) : 80dB;Rated Current(Max.) : 4mABody Size(Terminal not included) : 22 x 7mm / 0.87"x 0.3"(D*T);Pitch : 9mm / 0.35"External Material : Plastic;Color : BlackWeight : 6g;Package Content : 2 x Passive Piezo Buzzer