The Lumipal Compact LED Emergency Exit Sign is illuminated with ultra-bright, energy-efficient, long-life LED lights. There is an internal solid-state transfer switch that automatically connects the internal battery to the LED board for minimum 90-minute emergency illumination. The housing is made with injection-molded, engineering grade, 5VA flame retardant, high-impact resistant, thermoplastic and it has EZ snap-out chevron directional indicators. These emergency exit signs are designed for commercial spaces such as retail, offices, and more.