Raymarine M78716 Bronze Speed Transducer [M78716]

Compatible with the following instruments: ST70* ST60+ ST290 Compatible hull material: Wood and fiberglassCable: 45 ft. cableHole diameter for installation: 2"*Using with ST70 requires purchase of ST70 Speed Pod, sold seperately. Specifications: Temperature: Yes Speed Included: Yes Mounting Style: Thru-Hull Chirp: No Cable Length (Feet): 45' Box Dimensions: 4"H x 7"W x 10"L WT: 3.7 lbs UPC: 023193787169