About this item Comprehensive Surge and Lightning Protection: Effectively protects your home appliances from power surges, lightning strikes, voltage spikes, and electrical fluctuations. With a 140J surge protection capacity, it ensures reliable safety for high-power appliances like refrigerators and air conditioners, preventing damage during unexpected electrical surges. Reliable Voltage Stabilization: Provides under-voltage protection (below 90V) and over-voltage protection (above 140V), stabilizing power supply to sensitive devices. Ideal for large appliances such as refrigerators, air conditioners, washing machines, and freezers, ensuring smooth operation and extended equipment lifespan. Intelligent Delay Restart for Safety: Features a 30-second delay restart function to stabilize voltage before resuming power delivery. The yellow indicator light alerts you during the delay period, making it perfect for protecting high-value appliances like air conditioners and refrigerators from f