DC Digital Voltmeter w/ Alarm. Displays voltage from 0 to 60 Volts. High and low voltage audio and visual alarms. 3 levels of display brightness. Programmable sleep mode blanks display for power conservation. Splashproof front. Applicable for 12, 24, 32, 36, and 42 Volt DC systems. WARNING: 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.