Miniature self-test (DALI) emergency recessed luminaire downlight with open area optic, non-maintained 3 hr emergency, standalone unit with inverter module and rechargeable battery (NiMH), quick and easy installation with inverter module and battery pack contained in articulated case that can pass through 40mm cutout, 219lm, 3W, IK07, beam angle 148 degrees, 230V, 50-60Hz, recharge period 24 hours, Power Factor 0.45, charge current 300mA, LxWxD (mm) 416x29x26.