- Hole sizes: 16/19/22/25mm
- Protection level: lP65/lP67/IK10
- Contact silver-plated gold: 1.5μ
- LED super bright cold light source lamp display
- Dedicated special frosted stainless steel ring
- Overall beautiful, high-class and fashionable
- Comply with IEC60947-5-1 GB14048.5 standard