... depending on the depth of water. SPECIFICATIONS1. Display10.4" color TFT-LCD , 640 X 480 pixels 2. Display ModesLF, HF, Maker ... , 1/8, 1/16, freeze 8. Echo Colors7 out of 10 analog and digital RGB colors 9.Echo ThresholdUp to 5 ... weak echo colors suppressible 10. I/O InterfaceNMEA-01 83 11. Output Power600W RMS standard ...