The KY-006 Buzzer Module consists of a passive piezoelectric buzzer, it can generate tones between 1.5 to 2.5 kHz by switching it on and off at different frequencies either using delays or PWM. Operating Voltage 1.5 ~ 15V DC Tone Generation Range 1.5 ~ 2.5kHz Dimensions 18.5mm x 15mm [0.728in x 0.591in]
