This is FullTone. A single, simple band with two soft-grip handles and a foot strap, that's the whole thing. No motor, no screen, no assembly.
Fair question, it doesn't look like much next to a rack of dumbbells.
Here's the actual mechanism: your muscles respond to tension, not to where that tension comes from. A band under load creates real, working resistance, the same way a weight does, just without anything heavy to store, drop, or keep away from curious toddlers.
Picture it three weeks from now: you're not "finding time to work out" anymore, because it's just part of the day, the same as brushing your teeth. It's not a transformation. It's just something that finally stuck.