The GT52HWTM sensor is ideal for inland water fishermen who want traditional CHIRP and CHIRP ClearVu and CHIRP SideVu sonar functions. This rear mirror mounting sensor always displays clear fish bows with excellent echo separation as well as precisely defined structures under and next to the boat. The 12-pin transducer offers traditional CHIRP sonar functions in the high broadband range (150 to 240 kHz) and has a rated power of 250 W. The CHIRP ClearVü and CHIRP SideVü elements (455/800 kHz) have a rated power of 500 W each (1,500 total W. W. The GT52HW-TM is ideal for mounting on the electric boat motor due to its compact size. Please follow the enclosed instructions when installing to avoid damage to the boat.