5" Diagonal , 640v x 640h pixels 256 color TFT display. Side Imaging 445khz/180 Degrees DualBeam Plus 200khz/20 Degrees, 83khz/60 degrees. 4000 watts peak-to-peak. 500 watts (RMS). Depth to 1500' or 150' (SI)> Dual SD card slot. 3 "soft-key" preset buttons. 16-channel GPS (internal & external models). Navionics compatible. Quick Disconnect Mount. Optional in-dash mounting. Temp included. Speed capable.