Low Profile Bronze Depth Only Depth only low profile transducer (B117)Compatible with the following Echo Sounders:DSM250 and DSM300 SL Series: SL755RC, SL760RC , SL1250, and SL1250RC hsb2 Plus Series: L755RC, L760, L760RC, L1250,and L1250RC hsb2 HDFI Series: DSM250, L770D, L770DRC, L1260D, and L1260DRCCompatible hull material: wood and fiberglassMax Power: 600 WFrequency: 200/50 kHzCable: 30ft (10m) cable with connector**Requires E66066 adapter cable to work with a,c,e,eS Series built in sonar models.**