rated voltage 5V, working voltage 5V
rated current (MAX) MA: 30.
Diameter 12mm* height 9.5mm continuous sounding long sound super large shell, the foot distance is about 7.6mm.
The sound output is 10cm: 85db, and the vibration frequency is HZ: 2300±300.
Working temperature: -30-+85 ° C
material: plastic metal color: black.
Buzzer Alarm 3-24V 95DB
Microphone Element
ECG Module AD8232 – Heart Rate (Pulse Rate) Sensor
BC557 "PNP"
male-Female Jumper Wire 10cm 40pin
Male-Male Jumper Wire-30cm
UPC4558D 





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