Voltage regulator that helps stabilize voltage and prevent voltage fluctuations. Features built-in anti-surge protection to help safeguard connected appliances from current spikes. Uses electronic control capacitors to balance current flow and improve overall power efficiency. Designed to operate without drawing additional current; suitable for continuous 24/7 operation. Compatible with common household and commercial appliances including air conditioners, refrigerators, washing machines, fans, televisions, water pumps, audio equipment, and fluorescent lighting. Suitable for residential homes, offices, shops, and small industrial facilities. Simply plug into any standard wall outlet on the main circuit to begin operation. Once installed, leave powered on continuously for optimal performance over time. Works with standard electricity meters; no special meter required. After installation, full circuit optimization may take 24–48 hours. Specifications: Input Voltage Range: 90V–240V, 50Hz–60Hz Operating Temperature: –60°C to +75°C Maximum Load Capacity: 15,000W or 18,000W Dimensions: 11.5 × 6.5 × 4 cm Weight: 100 g Available in EU, US, and UK plug variants Package Includes: 1 × Voltage Regulator Unit 1 × User Manual Note: Color appearance may vary slightly due to monitor settings. Allow for a 1–3 cm measurement tolerance due to manual measurement.