Lowrance ActiveTarget 2 Sonar Module Only (000-15961-001)ActiveTarget 2 module only, for anglers with existing transducer. Lowrance ActiveTarget 2 Sonar Module Only (000 15961 001) The Lowrance ActiveTarget 2 Sonar Module Only (000 15961 001) is the module without the transducer, for anglers who already have an ActiveTarget 2 transducer or who want to buy them separately. Connects to HDS PRO, HDS LIVE, and Elite FS displays. Key Features ActiveTarget 2 Sonar Module Module Only (No Transducer) For Anglers