Garmin Accessory GT8HW-IF Xdcr 4pin HW-CHIRP Ice Fishing. The wider beam width up to 24 degree beam angle provides a larger coverage area in the water. The 4-pin transducer features high wide band CHIRP traditional sonar (150-240 kHz) and has a power rating of 250 W. Its shape and beam widths have been optimized for ice fishing and feature a silicon-coated cable that remains flexible in harsh winter conditions. Specifications for Garmin GT8HW-IF Xdcr 4pin HW-CHIRP Ice Fishing: Manufacturer: Garmin Color: Black Additional Features: 4 pin Features of Garmin GT8HW-IF Xdcr 4pin HW-CHIRP Ice Fishing General Frequency:CHIRP High Wide (150-240 kHz) Power:250 W Beamwidth:24-16 Maximum depth:800 ft. freshwater Depth/Speed/Temperature:Depth Number of pins:4-pin Cable length:8 ft. Supported deadrise/Transom angles:N/A Package Contents: Garmin GT8HW-IF Xdcr 4pin HW-CHIRP Ice Fishing GT8HW-IF transducer Float Documentation Garmin 010-12401-20: Accessory GT8HW-IF Xdcr 4pin HW-CHIRP Ice Fishing