Based on the image, the items shown are components of an MD-3010II underground metal detector, which is a device designed for treasure hunting and finding buried metallic objects. [1, 2]
Main Control Unit: The orange component features a digital LCD screen and a control panel used for adjusting settings, selecting detection modes, and viewing reading data.
Handle and Arm Rest: The device includes a black shaft with a comfortable grip and an orange arm support for stable, ergonomic handling during operation.