Over & Under Voltage Cut-Off: Automatically disconnects power during unsafe voltage levels—prevents damage to connected appliances Supports All 220V Single Phase Devices: Works with refrigerators, air conditioners, TVs, routers, washing machines, and more—ideal for Indian homes Digital Voltage Display: Real-time monitoring of incoming voltage helps prevent unexpected equipment failure Fast Reaction Time with Delay Start: Reacts within 1 second to unsafe voltages and includes a delay timer for safe power resumption Customizable Settings: Easily adjust cut-off thresholds and reconnection delay times to suit your specific protection needs. Built-in Surge Sacrifice Protection: Designed to withstand up to 300V. In the event of a high-voltage surge, the device will safely sacrifice itself to protect your appliances from damage.