Ranked in these QuestionsQuestion Ranking
Pro Very light
Ace 250 only weighs 2.7 pounds.
Pro Detects up to 8" down
Con Questionable pinpointing mode
The pinpoint mode works for some users and doesn't work for others. It may be easier to use this machine with an external pinpointer instead of using the built in function.
Con Signal delay
When moving quickly, there is lag between when the detection occurs and when the Ace 250 notifies the user.