Stopwatt cleans the electricity in your home and reduces unnecessary energy consumption. Stopwatt helps maintain voltage, synchronize current, and supports energy efficiency. The design is advanced, but no technical knowledge is required for operation. Improves equipment performance and reduces electrical interference. Stopwatt helps protect electronic devices, enhances o and video signal clarity, minimizes interference in wireless systems, and increases the reliability of electrical equipment. Enables comfortable living by helping reduce electricity usage while continuing to use essential appliances such as refrigerators, fans, and air conditioners. Easy to use: simply plug the device into a standard wall outlet. The green indicator light confirms it is working. No maintenance or additional setup is required. Helps improve power utilization and reduce wasted electricity. Suitable for multifunctional use in homes, shops, restaurants, offices, and small factories. Compatible with air conditioners, washing machines, refrigerators, electric fans, pumps, stereos, fluorescent lights, and other common appliances. Plug Type: US Plug (compatible with standard outlets in Canada, Mexico, Thailand, Taiwan, the Philippines, and similar regions) Voltage: AC 110V Color: White Material: Plastic Package Contents: 5 × Stopwatt Energy Saver Note: Lighting and display differences may cause slight color variations between the product image and actual item. Measurement tolerance: ±1–3 cm.