Smartsign U4-1707-RD_7X5"CAUTION THIS ELECTRICAL PANEL HAS EXTERNAL POWER SOURCES" Reflective Self-Adhesive Decal, 7" x 5" Lyle Signs supplies your decal with pressure-sensitive adhesive for easy application This Lyle Safety decal is designed to last for outdoor applications and longer for indoor applications Lyle Safety decals meet OSHA 1910.145 requirements This Lyle Safety decal uses reflective sheeting for night-time visibility