Optics Ø12 mm lens Beam angle Ø3: 16-34°/ Ø4.5: 24-35°/ Ø6: 36° Material Stainless steel EN W.nr. 1.4435 Colour Grey Surface treatment Pickled Size Ø25 x 4 mm Weight 50 g Mounting Surface mounted with nut Mounting hole Ø16 mm Built-in height 24 mm Min. tail size Ø1 mm Max. tail size Ø6 mm Protection rating IP 68 down to 1 m