Transformer-free technology and high-efficiency Steel Emergency LED Exit Light combine for improved reliability and energy efficiency. Diffused LED lighting gives uniform light. Signs can be top, end or back mounted and have snap-out chevrons to indicate direction. White powder-coat, 20-ga. steel housing. Maintenance-free battery. Nos. 73860 and 73861 have two rectangular front-mounted, high-intensity tungsten emergency lights. Nos. 73862 and 73863 have two circular side-mounted PAR 36 emergency lights.