Been using one of these for three months now and I've got some thoughts. For context: I'm experienced with investigation equipment, I'm not a beginner who doesn't understand baseline expectations, and I don't believe every bit of static is a ghost chatting back.
The Good: Build quality is solid. Feels expensive in a good way. The sweeping is smoother than the budget alternatives I've tried. Battery lasts ages - I got four full investigations out of one charge. Interface is intuitive, buttons don't feel like they'll snap off after six months unlike the knock-off versions.
The Bad: The audio playback is tinny as anything. You need headphones to make out anything properly. Software updates kept bricking it - had to factory reset twice. At £349 it's pricey for what amounts to a fancy radio scanner with a digital readout. You can get 80% of the functionality for under £100.
The Honest Bit: Would I buy it again? Probably not. Would I recommend it? Only if you've got money to burn or you're running a commercial ghost tour operation. For serious investigators on a budget, look elsewhere.