Color classification Ultra-Thin White Shell 4inch [120mm] 12W White Light Ultra-Thin White Shell 2.5inch [75mm] 7W White Light Ultra-Thin White Shell 2.5inch [75mm] 7W Neutral Light Ultra-Thin White Shell 2.5inch [75mm] 7W Warm Light Ultra-Thin Black Shell 2.5inch [75mm] 7W White Light Ultra-Thin Black Shell 2.5inch [75mm] 7W Neutral Light Ultra-Thin Black Shell 2.5inch [75mm] 7W Warm Light Ultra-Thin White Shell 3.5inch [98mm] 9W White Light Ultra-Thin White Shell 3.5inch [98mm] 9W Neutral Light Ultra-Thin White Shell 3.5inch [98mm] 9W Warm Light Ultra-Thin Black Shell 3.5inch [98mm] 9W White Light Ultra-Thin White Shell 4inch [120mm] 12W Warm Light Ultra-Thin Black Shell 4inch [120mm] 12W White Light Ultra-Thin White Shell 4inch [120mm] 12W Neutral Light Ultra-Thin Black Shell 3.5inch [98mm] 9W Neutral Light Ultra-Thin Black Shell 4inch [120mm] 12W Neutral Light Ultra-Thin White Shell 6inch [140mm] 18W White Light Ultra-Thin White Shell 6inch [140mm] 18W Neutral Light Ultra-Thin Black Shell 4inch [120mm] 12W Warm Light Ultra-Thin Black Shell 6inch [140mm] 18W Neutral Light Ultra-Thin Black Shell 6inch [140mm] 18W Warm Light Ultra-Thin White Shell 6inch [140mm] 18W Warm Light Ultra-Thin Black Shell 6inch [140mm] 18W White Light Ultra-Thin Black Shell 3.5inch [98mm] 9W Warm Light