Optics Ø14 mm lens Beam angle Ø3: 13-21°/ Ø4.5: 19°/ Ø6: 28° Material Stainless steel EN W.nr. 1.4435 Colour Grey Surface treatment Pickled Size Ø25 x 6 mm Weight 31 g Mounting see mounting instructions Mounting hole Wood: Ø16 mm / masonry: Ø21 mm Built-in height 24 mm Min. tail size Ø1 mm Max. tail size Ø6 mm Protection rating IP 44