XM 9 MDI T MEGA Down Imaging Transom Mount TransducerTransom-mounted Digital CHIRP Dual Spectrum 2D CHIRP with 25Adeg and 42Adeg coverage @ -10dB, 455/800/MEGA MEGA DI CHIRP with 45Adeg and 75Adeg @ -10dB Down Imaging transducer accessory. Features: Transom-mounted transducer Only compatible with MEGA DI HELIX models 1-Year Limited Warranty 20 foot cable length WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Speed Included: No Pins: 7 Mounting Style: Transom Cable Length (Feet): 20&'; Temperature: Yes Box Dimensions: 4"H x 8"W x 9"L WT: 1.6 lbs UPC: 082324050817 Owner&';s Manual (pdf)