GT41-TM - Transom Mount DownVü;/SideVü; 500W (CHIRP 260/455 kHz) Traditional 600W (50/200 kHz) Transducer w/Temp - 12 PinThis transom mount transducer provides ultra-clear sonar pictures of objects, structure and fish that pass below your boat. This traditional and CHIRP DownVü;/SideVü; transducer is optimized for depth performance and rough conditions. The CHIRP DownVü;/SideVü; elements have a power rating of 500 W per element (1,500 W total) and operating frequencies of 260/455 kHz. The traditional sonar has a power rating of 600 W and operating frequencies of 50/200 kHz. It also includes a built-in fast response temperature sensor. GT41-TM includes a 12-pin transducer with mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat. Compatible Devices: echoMAP™ 73sv echoMAP™ 74sv echoMAP™ 94svGPSMAP® 7607xsvGPSMAP® 7608xsvGPSMAP® 7610xsvGPSMAP® 7612xsvGSD™ 25 Premium Sonar ModuleWARNING: 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.