HawkEye DT2B DepthTrax

Amazon.com Price: $98.14 (as of 03/10/2022 03:09 PST- Details)

Delivers uninterrupted depth readings from 2.5 to 600 feet on the largest display available on an In-Dash Depth Sounder up to 60 mph. Transducer Frequency-200 kHz
ShootThru sonar technology allows for depth readings through solid fiberglass hulls and up to 1/8-inch aluminum hulls
3-stage Advanced Warning System clearly signals an alarm condition with an audible alarm, an ultra bright red LED warning light and LCD alarm indicators