Raymarine E26030 Thru-Hull Depth Transducer - Retractable [E26030] Portable Fishing Kit it has a built-in flasher

it has a built-in flasher and displays speed data

making it easier than ever to locate fish and underwater structures

Premium Construction: Features CNC’d aluminum tread plates

914 cubic inch (80cc 230cc) hydraulic steering rams

Residential glass with silent

Raymarine E26030 Thru-Hull Depth Transducer - Retractable [E26030] Portable Fishing Kit it has a built-in flasherCompatible with the following instruments: ST70* ST60+ ST290 Compatible hull material: Aluminum and fiberglass Cable: 45 ft. cable Hole diameter for installation: 2" *Using with ST70 requires purchase of ST70 Depth Pod, sold seperately. Specifications: Temperature: No Speed Included: No Mounting Style: Thru Hull Chirp: No Cable Length (Feet): 45' Box Dimensions: 4"H x 6"W x 8"L WT: 2. 1 lbs UPC: 723193260302