MDC-100/100   Model Working seadepth Drilling depth Power 　MDC-100/100 　100m 　100m 　Cable MDB-500/5   Model Working seadepth Drilling depth Power 　MDB-300/1 　300m 　1m 　Battery 　MDB-500/5 　500m 　5m 　Battery 　MD-6000/3 　6,000m 　3m 　Battery
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