As noted in the reddit thread on this: This isn't to be used alone for clearing minefields - as it's not going to get 100% coverage. It's still a useful tool

As noted in the reddit thread on this: This isn't to be used alone for clearing minefields - as it's not going to get 100% coverage. It's still a useful tool for surveying minefields or perhaps doing a cheap first-pass before sending in pricey equipment