Multi-Purpose Alarm – 12VFeatures:A convenient way to add alarm functionality to your dash or panelBuzzer sounds and bright red light illuminates when voltage is presentFor use with temperature, oil pressure, and engine warning alarm kitsNominal voltage is 12V DC#8-32 screw terminalsRed LEDWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.