Automatic Voltage Regulator (AVR) from STAC, model ST1000W. Function: * Stabilizes input voltage if it is high or low. * Provides a stable 220V output. * Maximum capacity indicated: 1000VA at 160–240V input. * Has 110V and 220V outlets. * Made in Japan by Nippon Keidenki Works Ltd. Used to protect sensitive devices from electricity fluctuations. Price: 300 Riyals Negotiable..