Titan 1 QR111 White: 258935 Aluminium: 258931 Watt: 50W Socket: G53/TE/230V IP20 Titan 2 QR111 White: 258936 Aluminium: 258932 Watt: 2 x 50W Socket: G53/TE/230V IP20 Titan 3 QR111 White: 258937 Aluminium: 258933 Watt: 3 x 50W Socket: G53/TE/230V IP20 49 Titan 4 QR111 White: 258938 Aluminium: 258934 Watt: 4 x 50W Socket: G53/TE/230V IP20 176mm 176mm 352mm 176mm 352mm 352mm 176mm 528mm 181 mm 181 mm 181 mm 181 mm