Rated Voltage: DC 12V
Package Included: 2pcs X Black Active Piezo Electronic Buzzer
Module Size: 30 X 15mm/1.18 X 0.59inch(D*T)
Sound Output:85dB
Response Frequency:3000±500
Rated Current: 30mA
Working Voltage: DC 3-24V
This mini electronic beeper support DC 3-24V power supply and produce continuous high-decibel alarm sound up to 85dB. 30mm diameter and 15mm thickness with 2-wire pigtails easy to connect widely used in the car modification,DIY electronics reminder projects or other area needs sound alarm.