Optics Ø26 mm lens Beam angle 5° - 27° Material Aluminium Colour Grey Surface treatment Anodised Tilt 30° Rotate 360° Size Ø50 x 7 mm Weight 44 g Mounting Recessed with spring Mounting hole Plaster: Ø37 mm / wood: Ø40 mm Built-in height 19 mm Min. tail size Ø1 mm Max. tail size Ø6 mm Protection rating IP 30