

Min. sound output | dB at 30cm | 80 |
Rated voltage | VDC | 3.0 |
Operating voltage | VDC | 2~4 |
Resonant frequency | Hz | 400±100 |
Max. current consumption | mA | 25 |
Tone | Continuous | |
Operating temperature | °C | -20~+60 |
Storage temperature | °C | -30~+70 |
Weight | g | 8.5 |