Thorn Anna Emergency Recessed LED Panel features with elegant and timeless design, slim metal frame of only 8.5mm depth. Opal diffuser with fully homogenous illumination. Even surface UGR<19, gentle, soft and glare-free lighting for office applications. Tool-free installation. External connector box enabling loop-in loop-out wiring. Flicker free. Replaces conventional luminaires with 4 x 18 W T8 and offers up to 60 % energy saving. Suitable for lay-in installation, suspension and surface mounting.