[High Illumination & Commercial Grade High Quality Material] Two fully 360° rotation adjustable, large and glare-free LED lighting square heads with high lumen, super bright when they working, suitable for emergency lighting in all occasions, such as school, hotel, companies, supermarkets, restaurants, library, home, factories, etc. Made of high-quality materials, design with high quality, VO flame retardant, high-impact, thermoplastic, etc. [Long Working Time & Long Lasting] Internal 3.7V 1800mAh batteries transfer switch automatically connects the internal battery to led board and led lamp heads for more than 100 minutes emergency illumination. [Easy to Installation] led comercial emergency light is easy to install, fits all requirments and building standard for the various installation.