Security First - Our emergency lights have two adjustable LED lamp heads, providing ample lighting at multiple ranges. Emergency lights become your safety savers when there are power outages, fires, or other emergencies from accidents. High Standard - The Commercial emergency light fixtures have Injection-molded housing with engineering grade. 5VA flame retardant, high-impact resistant.Complies with UL 924 emergency light. Easy Installation - The installation is very simple, and it can be installed on the wall in just a few minutes. Its back plate is suitable for most standard junction boxes 90 Mins Duration - Built-in Battery Backup. High-density NiCd battery provides min 90 minutes of emergency operation time for LED lights during power outages. Battery is included in the box. Worry-Free Shopping - Why choose FREELICHT? We test our products to a high standard for quality and safety. If there is any quality problem, we will provide replacement or refund service within five years. Please feel free to contact us.