High Water Bilge Alarm with Switch & Gauge - 24VUsing a compact float switch and dash mounted alarm, Rule provides boaters with a warning to high bilge water levels. Ideal for larger yachts and commercial vessels larger than 26&'; with unmanned compartments that have to comply with CFR 182.530. A bright LED indicator light provides a visual alarm when ambient noise levels exceed alarm volume. Constantly monitor your bilge for water and stay compliant to Coast Guard regulations with a Hi-Water Bilge Alarm from Rule.Features: Visible and audible alarm to monitor bilge water levels Includes mercury-free float switch and dash mounted alarm Complies with CFR 182.530 24V WARNING: This product can expose you to chemicals including STYRENE which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.