The Slim Red LED Exit Sign Battery Backup is a reliable and durable emergency lighting solution made of impact and heat resistant ABS material. It has a UL-94V-0 flame rating for added safety in case of fire incidents. It operates at 120/277VAC with a frequency of 60Hz and features super bright SMD LED technology for clear illumination. It has a built-in test switch and charge indicator light for easy testing and monitoring. The exit sign also has overcharge and over-discharge protection mechanisms to maximize battery lifespan. Overall, it is a professional-grade solution that prioritizes safety and efficiency in guiding individuals to safety during emergencies.