(Plastic Body)The Power Guard 650VA CS Offline UPS comes with Automatic voltage regulation(AVR), High/ Low Voltage Protection, Overload/ Short Protection Cool features. The Power Guard UPS featured an input voltage range of 145-280VAC and a frequency of 50/60Hz+/-5% and also 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 650VA 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 05-40 mins (Depending on load). This UPS indicates AC Mode with Green lighting, Battery Mode with Red lighting, and Over Load Yellow lighting, which helps you to identify the UPS status. The Power Guard 650VA CS Offline UPS comes with a 1-year warranty. Under the following conditions, the warranty would not be provided:• UPS burning due to thunder, abnormal overload, insect entrance and others.• If ambient temperature should not be maintained at 20 to 26 degrees Celsius with proper dehumidification. (24/7)• If the product is placed in a dusty and damp place.• In the absence of Generator connectivity Without proper battery charge, the warranty will be void.• Battery swelling and overcharging due to the wrong system voltage setting of the UPS.