HawkEye DepthTrax 1BX In-Dash Digital Depth & Temp Gauge - Transom Mount DT1BX-TM. A simple press of a button on the DepthTrax 1BX display produces instant access to water or air temperature readings via integrated sensors in both the head unit and the transducer.The standard transducers for the DepthTrax 1BX include an AIRMAR high-speed transom-mount P23 and their low-profile thru-hull P19.Both transducers are coupled with HawkEyes waterproof plug-and-play connectors to make installation quick and easy. Specifications for HawkEye DepthTrax 1BX In-Dash Digital Depth & Temp Gauge: Manufacturer: HawkEye Color: Hawk Additional Features: Transom Mount Frequency Band: 200 kHz Features of HawkEye DepthTrax 1BX In-Dash Digital Depth & Temp Gauge Depth - Max (Feet): 200'/60m Frequency: 200 kHz Shape: Round Package Contents: HawkEye DepthTrax 1BX In-Dash Digital Depth & Temp Gauge HawkEye DT1BX-TM: DepthTrax 1BX In-Dash Digital Depth & Temp Gauge - Transom Mount