sealed: yes • operating power: 4.5-5.5Vdc / 50mA • extremely compact, ultrathin construction • no electrical noise • low current consumption yet high sound pressure leveltone type: single • operating voltage: 4.5-5.5 VDC • rated voltage: 5 VDC • current consumption: 50 mA • osc. frequency: 2.3 kHz±0.4 • sound level: 85 dB • connector type: pcb • body colour: black • weight: 1.6 g