Hawkeye DepthTrax In-Dash Digital Depth Temp Gauge - Thru-Hull [DT2BX-TH]DepthTrax Dash Digital Depth and Temp Gauge Thru Hull The DepthTrax 2BX includes all the advanced sonar, depth alarm, and keel offset capabilities of the DepthTrax 2B, but also integrates dual temperature displays and an AIRMAR, ultra sensitive, high performance thru hull transducer. With a simple press of a button on the DepthTrax 2BX display produces instant access to water or air temperature readings via integrated sensors in both the head unit and