GARMIN GPSMAP 400 C SOUNDER

Physical & Performance: Unit dimensions, WxHxD: 5.7 " x 5.0 " x 2.9 " ( 14.5 x 12.7 x 7.4 cm) Display size, WxH: 2.6 " x 3.3 " ( 6.5 x 8.5 cm) Display resolution, WxH: 240 x 320 pixels Display type: 4096-color QVGA Weight: 1.1 lb ( 499 g) Waterproof: yes ( IPX7) RoHS version available: no Features: CANet™ compatible: yes Audible alarms: yes Dual-frequency sonar capable: yes Dual-beam sonar capable : yes Split-screen zoom: yes Ultrascroll™ ( displays fish targets at higher boat speeds) : yes See-thru® technology ( exposes fish hidden in cover) : yes Fish Symbol ID ( helps identify fish targets) : yes AutoGain Technology ( minimizes clutter, maximizes targets) : yes Whiteline ( indicates hard or soft bottom) : no Adjustable depth line ( measures depth of underwater objects) : yes A-scope ( real time display of fish passing through transducer beam) : yes Bottom lock ( shows return from the bottom up) : yes Water temperature log and graph: yes Water temperature sensor included: no Water speed capable ( displays speed on water) : yes Other: Frequency: 50/ 200 kHz ( dual frequency) , 80/ 200 kHz ( dual beam) Transmit power: Dual Frequency: 500 Watts ( RMS) , 4, 000 Watts ( peak to peak) ; Dual Beam, 400 Watts ( RMS) , 3, 200 Watts ( peak to peak) Voltage range: 10-35 VDC Maximum depth: 1, 500 ft ( dual frequency) , 900 ft ( dual beam) Cone angle: Dual Frequency: 10° - 45° ; Dual Beam: 14° - 45°