The MONSTER POWER Reference PowerCenter HTS 5000 Home Theatre Surge Protector with Clean Power Stage Four Filtering, is a high-quality power strip designed specifically for home theatre systems. With a compact black design and multiple outlets, it provides surge protection for your audio and video equipment. The surge protector also features indicator lights and a power indicator, ensuring you always know the status of your system. Made by the trusted brand Monster, this surge protector is designed for indoor use and operates on 120V input voltage. It is a reliable and essential component for any home entertainment setup. In EXCELLENT, Pre-Owned, Like New Condition! Turns on as seen in photos and all buttons work. I was told this works as designed. I have not used this myself; however, obtained it from a very reliable and studied electronics person. Please inquire with any questions. Thank you for looking!