The easy-to-use Garmin echo 101 Sonar packs excellent fish-finding power at a great value. Garmin HD-ID™ sonar reveals what's under the water with excellent target separation and image clarity. You'll be able to see fish, structure and even your lure on the 4-" diagonal display. 200 watts of transmit power and 200kHz frequency. Comes wtih quick-release swivel mount and transducer plus FREE mounting kits for your transom and trolling motors.