Voltage regulator stabilizes voltage to prevent instability and help extend the life of electrical appliances. Features an anti-surge device to protect against current spikes and safeguard connected devices. Equipped with electronic control capacitors to balance current and improve power efficiency, helping reduce electricity waste. The unit does not consume power, allowing for continuous 24/7 operation without increasing energy usage. Compatible with air conditioners, washing machines, refrigerators, fans, televisions, water pumps, audio systems, fluorescent lights, and other household appliances. Suitable for residential homes, small offices, shops, and small factories. Simply plug into any standard wall outlet on the main circuit to begin operation. Once installed, leave the device powered on continuously for optimal performance. Works with any standard electrical meter and functions wherever current flows. After installation, full circuit stabilization typically occurs within 24 to 48 hours. Specifications: - Applicable voltage: 90V–240V / 50Hz–60Hz - Working temperature: -60°C to 75°C - Maximum load capacity: 15,000W to 18,000W - Dimensions: 11.5 x 6.5 x 4 cm - Weight: 100g - Plug type: EU/US/UK models available Package Includes: 1 x Power Saver Unit 1 x User Manual Note: Due to differences in monitor displays, actual product color may vary slightly from images. Please allow 1–3 cm measurement deviation due to manual measurement. Please with any issues before leaving negative feedback. Thank you for your understanding.