A durable commercial grade photoluminescent double sided exit sign that meets all building code requirements. Photoluminescent Exit Signs require no electricity and eliminate the need for battery backup and light bulb testing. Place above exit doors or mount from the ceiling. UL 924 approved. Meets the 50 foot visibility requirement. 90 minute photoluminescent emergency illumination. Peel and stick directional chevrons. Measures 16" x 9" x 1/8". Optional mounting bracket.