This CyberPower back-up power supply is designed to keep your electronic devices running smoothly. With automatic voltage regulation (AVR), it ensures that your devices receive stable power even during power fluctuations. It is compatible with 120 V voltage and features a CPS900AVR model, making it a reliable source of power protection for your computer, networking, and other electronic devices. Plus, it is made by the trusted brand, CyberPower. Get your hands on this intelligent back-up power supply today!