Type:SFM-27-I

Rated  Voltage:12VDC

Opcration  Voltage:3~24VDC

Rated Current:10mA at 12VDC

Sound Output:100dB at 12VDC/30cm

Resonant Freq:2.5±0.5

Operating Temp:-20-+45

Storage Temp:-20-+60

Weigh:3.5

After sale instructions