Lithonia Lighting LQMSW3R120/277ELNM6R Quantum Red LED Exit Light with Backup Battery Conveniently located test switch and status indicator provide visual and manual means of monitoring system operation. Universal mounting capability top, back or end (canopy provided). The self diagnostic emergency signs comply with NFPA Life Safety Code and automatically test the battery once a month for five minutes and once every six months for 30 minutes. Automatic recharge after discharge.