The Power Guard 1200VA CS Offline UPS features Automatic voltage regulation(AVR), High/ Low Voltage Protection, Overload/ Short Protection Cool. This Power Guard UPS featured an input voltage range of 145-280VAC and a frequency of 50/60Hz+/-5%. It offers an output voltage of 220/230VAC+/-10%. It has a transfer time of 2~6 ms (Typical) and a Pure Sine Wave. The Power Guard 1200VA UPS is equipped with a Lead-Acid Maintenance-Free battery. It takes a recharge time of 6 hours up to 90% capacity. It can deliver a backup time of 05-20 mins (Depending on load). This UPS indicates AC Mode with Green lighting, Battery Mode with Red lighting, and Over Load Yellow lighting. The Power Guard 1200VA CS Offline UPS comes with a 1-year warranty.