Feature:
There are black and red 2 wires, easy and convenient for wiring.
An ideal item for industrial use.These Buzzers are an essential electrical part for use in Physics electrical circuits and Sound experiments and other general lab use.

Specifications:
Product Name : Electronic Buzzer
Model No. : SFM-27-II
Type : Intermittent Sound
Color: White
Working Voltage: 3V - 24V
Rated Voltage: 12V
Rated Current: ≤30mA
Sound Pressure: ≥90dB
Resonant Frequency: 3000±500Hz
Operating Temperature: -20+60℃
Storage Temperature: -30+70℃
Wire Length(about): 11.5cm / 4.5"
Body Diameter : 30mm
Height : 15mm
Center Hole Distance : 40mm
Overall Size : 48 x 30 x 15mm
Weight: 6.6g

Package Including:
6 x SFM-27 Intermittent Beep Piezo Active Electronic Buzzer