panel-mounting type with screw connectors one tone sound pressure level control operating power: 3-24 VDC / 10 mA tone type: one tone operating voltage: 3-24 VDC rated voltage: 12 VDC current consumption: 10 mA osc. frequency: 2.9 kHz sound level: 95 dB connector type: screw body colour: black weight: 38 g (EN)