What transducer do I need?

[Shane_]

I just got a lowrance lms-520c from a friends and I'm not sure what type of transducer I will need for it, could anyone help me out? Links would be awesome 

[eddallen]

What is your preferred mounting?

[Shane_]

Just now, eddallen said:

What is your preferred mounting?

I would prefer it on the back, if possible having both and a switch would be nice 

[Kevin22]

http://support.lowrance.com/system/selfservice.controller?CONFIGURATION=1001&PARTITION_ID=1&secureFlag=false&TIMEZONE_OFFSET=&CMD=VIEW_ARTICLE&ARTICLE_ID=2344

[eddallen]

HST-WSBL is the transom mount you will need.

[Shane_]

4 hours ago, eddallen said:

HST-WSBL is the transom mount you will need.

Awesome thanks for the help