52mm Depth Sounder Dash Depth Finder Transducer w/Backlight for Yachts Boats

Item Type: Depth Sounder. 1 x Depth Sounder. 1 x Transducer (with 10m cable). Backlight Color: White. If SH=0 -->No alarm Alarm setting range :0.6-19.9. Depth Indication Range: 0-100m/0-328FT. Function: This device is work with 12V system only, to indicate the depth appointed.

eBay