Traditional/ClearVü optimized for clearer image at shallow depths.The GT20-TM 8 Pin Transom Mount Transducer is excellent for the shallow water fisherman who wants traditional and CHIRP ClearVü scanning sonar, this transom or trolling motor mounted transducer consistently displays fish arches as well as clear pictures of objects, structure and fish that pass below your boat.This transducer includes both a Transom Mount and a Trolling Motor Mount.SpecificationsStyle: Transom mountCable Length: 20'Connector: 8-pinTransom Angle: 0-70 transomMonitors: Depth, Speed and TemperatureMaterial: PlasticTransmit Power: Trad 500W, ClearVü 500WFrequency Range: Trad. 77/200kHz, ClearVü CHIRP 455kHz (435-475) 800kHz (800-840)Max. Depth: Trad. 1,900, ClearVü: 750Beamwidths: Trad. 45/15, ClearVü 2.5 x 53 @455, 1.6 x 29 @800