Garmin 010-10703-20 50-200khz B258 Depth-temp 8-pin Stereos - Amplifiers Panoptix PS21-TM also features LiveVü

Panoptix PS21-TM also features LiveVü Forward sonar to give you the unique ability to see real-time sonar views under and ahead of your boat with a 100-foot forward range

Operating voltage: 9 VDC to 16 VDC

or are moving away from you

Rugged PC ABS polymer case/water resistant design

Auto Guidance2 technology and other great features

Garmin 010-10703-20 50-200khz B258 Depth-temp 8-pin Stereos - Amplifiers Panoptix PS21-TM also features LiveVüAirmar's B258 8 pin bronze, thru hull mount transducer with fairing provides depth and temperature data. This transducer has an operating frequency of 50 or 200 kHz and mounts on a 0 25 deadrise angle.