Wall 1 reading lamp surface mounted (wall) Power consumption: 2,5W, 3,5W Power supply: 230Vac Lumen output at source: 109 lm (3000K, 2.5W), 145 lm (3000K, 3.5W) Delivered lumen output: 47 lm (3000K, 2.5W), 61 lm (3000K, 3.5W) 1 power LED, 1/4 ANSI BIN, 50 000h L90 B10 (Ta 25°C) LED colour: 3000K, 5000K Optics: optical range 20°—55° CRI Colour Rendering Index: 80 Body material: body in aluminium, pole in brass Finishes: gold, satin, chrome Diameter flex arm: Ø8 mm, Ø6 mm Arm length: 400 mm, 500 mm built-in power supply unit includes 1.5 m cable, plug and power supply unit Ingress protection: IP20 version with rear cable entry available on request, Casambi-compatible version, controllable with the Casambi app, available on request Operating temperature: 0°C — +45°C Photobiological safety: photobiological safety: risk group 1 according to EN 62471:2006 Appliance class: class II Weight: Ø6 400 mm: 300 g; Ø8 400 mm: 320 g; Ø8 500 mm: 330 g Dimensions: Ø15x50mm Energy efficiency class: F (light source) in accordance with EU 2019/2015 tested and approved via E.O.L. (End Of Line) test with functioning test and check of electrical power consumption