3pcs Spiral Piezo Buzzer 12V Electronic Horn 24V High Decibel Buzzer

Description: Drive method: Piezoelectric (crystal) Active or not: Active Material: ABS Size: 29*25(mm) Number of channels: two channels (stereo) Model buzzer Sound-making type Intermittent sound Continuous sound Music sound Alarm sound Fire sound Rated volatge DC6-24V DC6-24V DC6-24V DC6-24V DC6-24V Operation voltage DC6-24V DC6-24V DC6-24V DC6-24V DC6-24V Rated current 40mA 50mA 60mA 60mA 60mA Sound pressure level(Dba/10cm) 105db 110db 110db 110db 110db Resonant frequency(Hz) 2800300 3300300 2800300 2500300 2500300 Weight(g) 22 22 22 22 22 Operation temperture -20~80 -20~80 -20~80 -20~80 -20~80 Package included: 3 x Spiral Piezo Buzzer