Dual Battery Monitor - 12V or 24V - Auto DetectionFeatures: Multiple battery monitoring using advanced micro-controller; Auto 12V/24V detection; Digital display; Programmable alarm thresholds; Very low power consumption/Power Saving Mode; Splash resistant top; Easy to install/shallow mounting depth; WARNING: 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. - cis2:mm5mnJlm -Owner's Manual (pdf)Brochure (pdf)