The Zircon MS740 multiscanner has everything you want and more. It requires a 9V battery to operate and it has so many features that I couldn't describe them all. It scans studs, metal, and AC power cords to name a few. The screen is brightly lit with easy-to-read indicators. There is a marking function built in so you don't have to hunt for a pencil every time you need to mark bolt locations and the list goes on. See the Zircon website or the Revain description for details on what this handy tool can do. I love this instrument very much. It is so ergonomic and comfortable to hold during use, and you simply press it against the wall to activate the power supply with auto power off when you release the pressure on the wall. So don't worry anymore about running out of batteries because you forgot to turn off your device. Full of pros I can't think of any cons but will update this review if anything comes up. Multiscanner is strongly recommended. I'm sorry I didn't get it sooner. This would save a lot of time, frustration, and tearing down walls that need patching. Just take that and thank me later.
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