Arculus Surface Tuneable White: Arculus Surface Tuneable White anti-ligature is a luminaire designed to meet the requirements of “Design in Mental Health Network’s (DiMHN) Testing Guidance for Products in Mental Health Facilities” rating LIG5-5/ES2. Tuneable white luminaires can help influence our wellbeing. Cool colour temperatures can boost activity whilst warm colour temperatures can aid relaxation. Controlled by DALI control systems (additional control devices required). IP65 and rated to IK16 (150 joules of energy) ensuring a high level of impact resistance. Anti-ligature design to help prevent self harming. Designed to be disassembled and reinstated to ensure maintenance can be undertaken quickly and easily after anti-pick mastic application. Robust zinc coated steel body finished in matt white polyester powder coat, with opal diffuser to give a soft lit appearance while providing functional light for tasks. Electronic control gear on removable tray for ease of repair/upgrade with fused plug and socket connector block. Efficacy of 109 lm/W. Suitable for ceiling mounting on any ceiling which can hold the required weight. Discreet side mounted fixing gives a clean, unobtrusive aesthetic. Supplied with flying lead. Colour Temperature: 2700K-6500K CRI:>90 LED Lifetime L80B10>72,000h at 25°C ambient. Driver Lifetime up to 100,000h at 25°C ambient.