Location has become an essential part of the next-generation Internet of Things systems. This paper proposes a multi-sensor-based 3D indoor localization approach. Compared with the existing 3D localization methods. this paper presents a wireless received signal strength (RSS)-profile-based floor-detection approach to enhance RSS-based floor detection. https://www.bekindtopets.com/flash-choice-Sensationnel-Empire-Bump-100-Human-Hair-Weave-FEATHER-WRAP-8-mega-find/