D903P-4

Sensitive dual channels, automatic range recognition,
Manually measuring range, waveform displays continuously,
High sensitivity gain & shallow gain, clear sonar return detection,
Automatic range& bottom recognition,
Any depth alarm setting to meet user’s needs,
Multiple alarm modes: depth, voltage, temperature,
32 Kinds of dominant hues, make color more exquisite and picture more clearly,
Dual Channels split display.