Raymarine Dragonfly 7 Sonar GPS Navionics+ Fish Finder with CPT-60 Transducer Splay Type: LED backlit, sunlight-viewable, 7"diag, 640 x 480 Pixels 50-channel internal GPS Dual-channel sonar - wide-spectrum CHIRP Down Vision sonar for photo-like images and a second CHIRP conventional sonar channel for targeting fish Simple to use; Power on and become a Dragonfly expert in minutes