This mini electronic beeper support DC 3-12V power supply and produce continuous high-decibel alarm sound up to 85dB. 30mm diameter and 35mm 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
