Parsing

Night-vision devices using active near-infrared illumination allow people or animals to be observed without the observer being detected.

Night-vision devices using active near-infrared illumination - noun phrase and subject;

allow - verb and predicator;

people or animals to be observed - non-finite infinitive (in passive) clause and complement in the predicate;

without the observer being detected - prepositional phrase and adjunct in the predicate.

Have I done my parsing right?