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. Application DIY Projects Security Alarm System. Garage, Door safety Features Wide Range of Operating Voltage Sound Output of 85dB
