This is the RD7100PL underground services locator, an instrument designed by Radiodetection and it's mostly used to dense the infrastructure where signals from high-voltage equipment and cables can be difficult.
seen from China

seen from Maldives
seen from United Kingdom

seen from Brazil
seen from United States
seen from Saudi Arabia
seen from United States
seen from United States
seen from Ukraine
seen from United States
seen from United States
seen from Malaysia
seen from Czechia
seen from Indonesia
seen from United Kingdom
seen from Malaysia

seen from Malaysia
seen from China
seen from United States
seen from United States
This is the RD7100PL underground services locator, an instrument designed by Radiodetection and it's mostly used to dense the infrastructure where signals from high-voltage equipment and cables can be difficult.