Universal Voltage Backup Power: Supports 120-277V AC universal voltage, suitable for both residential and commercial spaces. Provides at least 90 minutes of emergency lighting during power outages, ensuring visibility and safety. UL-94V-0 Flame-Retardant Durable Design: Built with injection-molded thermoplastic housing, meeting UL-94V-0 standards for excellent heat resistance and impact durability, ensuring reliable performance in tough environments. Flexible Installation Options: This hardwired LED exit sign supports ceiling and backside mounting. Includes an extra faceplate for double-sided display to enhance flexibility. All mounting parts are packed inside the housing for easy installation. Versatile Use: Ideal for stairways, hallways, exit doors, aisles, restaurants, offices, and warehouses. CEC and DEO compliant, ensuring reliable operation in any setting. Worry-Free Quality Support: Produced by a factory with 40+ years of experience, Gruenlichs fixtures deliver reliable performance with high-quality brass screws and robust construction. Our 24/7 support team is always available for technical assistance.