SMD piezo buzzer,Externally driven type small in size，small power consumption，waterproof.Mainly used in security, attendance, access control, electronic examination room and so on.
Rated Voltage: 5Vp-p
Operating Voltage: 1-25Vp-p
Rated Current : 5mA Max.
S.P.L.(@10cm): 80dB Min at Rated Voltage at 10cm
Resonance Frequency : 4.0±0.5KHz
Capacitance at 100Hz: 15000±30%pF at 100Hz 1V
Operating Temp: -30~+85°C
Weight: 1.2g
