Garmin Accessory Airmar TM265LH 12-pin Dual CHIRP 1kW Transom Mount. The plastic trasonial mount of the Garmin Airmar TM265LH Transducer performs well in deep water and provides exceptional bottom and water column detail. The transducer has a maximum depth of 3000 feet; an operating frequency of 42 to 65 kHz and 130 to 210 kHz; a beamwidth of 16 to 25 degrees or 6 to 10 degrees; an operating frequency of 42 to 65 kHz and 130 to 210 kHz; a beamwidth of 6 to 10 degrees or 16 to 25 degrees; and mounts on a 3 to 21 degree transom. This transducer comes with installation instructions. Follow the instructions carefully to avoid damaging your boat. Specifications for Garmin Airmar TM265LH 12-pin Dual CHIRP 1kW Transom Mount: Manufacturer: Garmin Color: Black Additional Features: Beamwidth 16-25deg/6-10deg Features of Garmin Airmar TM265LH 12-pin Dual CHIRP 1kW Transom Mount Beamwidth:16-25/6-10 Package Contents: Garmin Airmar TM265LH 12-pin Dual CHIRP 1kW Transom Mount Garmin 010-12378-20: Accessory Airmar TM265LH 12-pin Dual CHIRP 1kW Transom Mount