Dual Battery Monitor - 12V or 24V - Auto DetectionFeatures:Multiple battery monitoring using advanced micro-controllerAuto 12V/24V detectionDigital displayProgrammable alarm thresholdsVery low power consumption/Power Saving ModeSplash resistant topEasy to install/shallow mounting depthWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.