The CyberPower DTC36U12V3-G Indoor Cybershield FTTX System Battery Backup is a reliable and efficient battery backup system designed for indoor use. With a maximum power output of 36W and voltage compatibility with various power sources, this tower-style device ensures a consistent and stable power supply. Featuring an audible alarm, LED display, and cold start capability, this CyberPower battery backup system is a top choice for protecting critical systems and equipment from power outages and fluctuations. Made in China, this black-colored device stands at 6.6" in height, offering peace of mind and uninterrupted power for your essential systems.