1.Dual speed tramming piston motor for excellent cross terrain ability and better product reliability.
2.High pressure cast iron oil pump for more powerful system and more stable.

1.How about after-sales service?
2 years warranty. Free data service for life. The professionnal geologist give the suggestions and 24 hours online.
2.Is it difficult to operate ?
The instrument is easy to operate and we will send you the detailed operation manual via email.