Countless lighting companies specialize in illumination projects for buildings. However, achieving the desired lighting effects and ensuring smooth delivery on schedule is no easy task. Over the past decade, ZhongShan Wellnice Lighting Design has identified five key points that are often overlooked in building outdoor illumination projects.

The IK rating is defined as IKXX, where "XX" is a number from 00 to 10, indicating the degree of protection of the electrical enclosure (including lamps) against external mechanical impacts.

• Uniformity, with a good ratio of light across the vertical plane
• Maximum coverage of light, without any patchy spots between luminaires
• Minimum glare when directly viewing the luminaire
• Easy integration into architectural ceiling design