Net weight and the materials of the Underwater Gps Developer Kit

Blue Robotics Products
1

Hi！
Recently we buy the underwater GPS Developer Kit with analog locator.But when going through the customs，they ask us to provide the net weight of the kit and the materials used in the equipment.So can you gus provide me these details?

2

Hi @fangxiang,

Net weight of the Underwater GPS Developer Kit is 4 kg.

Johannes / Water Linked