Airmar CM599LHW 1-3kW Pocket Mounted Transducer, 28-60 & 150-250kHzThis pocket mounted transducer uses very narrow beams and low frequencies and wide beams for high frequencies to send depth and temperature to your Garmin Marine Network.A pocket version of the R599LH, this 1 to 3 kW bare wire plastic transducer has a maximum depth of 10,000 feet; an operating frequency of 28 to 60 kHz and 150 to 250 kHz; and a beamwidth of 9x23 degrees or a constant 25 degrees. The pocket mount is installation dependent.Transducer kit comes with installation instructions. Follow the instructions carefully to avoid damaging your boat.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.