Easy assembly. Waterproof IP67. High sound level. Full series. Dimension:60*38mmOperating Voltage:4-100VDC (12VDC,24VDC,48VDC,10-100VDC,3-30VDC...)Tone:Constant,Pulse or Siren toneFrequency:1.5KHz,3KHz,or other Response FrequencySound pressure level (SPL):90-110dBCurrent consumption:Less than 300mAHousing material:ABS plasticWaterproof level:IP67Colours:White,black or green.Wire length: ...