This is a very poorly made product, Honestly If I could go back in time I wouldn't even pay five bucks for this pointer. The back battery cap pops off frequently, the sensitivity knob is a joke and only stops buzzing once you turn it 3/4th the way around. You also have to be touching metal for this thing to detect it. Unless your target is exposed in the hole, this detector will not find it. There is a bunch of empty space inside the battery compartment which cause..