Dual-Beam Transducer with Transom/Trolling Motor Mount for echo Series FishfindersWant to use your echo series fishfinder in more than one vessel? A second transducer can make the process a lot easier. It comes with all of the hardware you need to mount on your transom or trolling motor. 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 -Specifications: Speed Included: No; Temperature: Yes; Pins: 4; Cable Length (Feet): 30'; Chirp: No; Imagining: Standard; Mounting Style: Transom; Box Dimensions: 3"H x 7"W x 7"L WT: 1.15 lbs; UPC: 753759974183; Owner's Manual (pdf)