Electric Field Bilge Switch With Time Delay All Whale bilge switches are designed and manufacturers with highest quality at heart. Combine these accessories with your whale bilge pump for a robust bilge system tailored to your vessel. Features and Benefits * Environmentally friendly - no toxic mercury * Easy to install mounted on either horizontal or vertical surface (e.g. bulkhead or hull) * Suitable for installations where amp draw is up to 15 amps * Compact design Warning [https://productimageserver.com/prop65/6pt.png]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 [http://P65Warnings.ca.gov].