4-28V Two Tone Piezo Chassis Mount Buzzer
Operating voltage range: 4.0 ~ 28.0V DC Rated voltage: 24.0V DC. Max rated current: 20/30 mA. Mininimal sound output: 85 / 80 dBA @ 30cm. Frequency: 2900 +/- 500Hz. Tone nature: Dual. Operating Tempature: -20 ~ +60. Terminal: Plate. Dimensions(mm)