Asset Overview
Game Art: Alarm Clock Low Poly, 4K PBR Maps
The 3D Model has the shading build at vertex level. For this matter it should be imported in your 3D Software, Game Engine without smoothing groups.
For example in:
UE4 - Import Normals and Tangents
3ds Max, Maya, Blender, etc - Uncheck Smothing Groups
Enjoy!