![](/web/image/1444-80cc1c95/echo-sounder-combo-ect400.001_747x561_302x227.png)
Echo sounder combo: ECT 400S single-frequency
Echo sounder combo: ECT 400S single-frequency
EchoLogger ECT 400S single-frequency echo-sounder plus all required components and software for use with DJI M300/M210/M600 drones (drone not included).
Echo sounder combo: ECT 400S single-frequency
EchoLogger ECT 400S single-frequency echo-sounder plus all required components and software for use with DJI M300/M210/M600 drones (drone not included).