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 by minimizing electrical pollution. It may enhance o and video signal clarity, reduce wireless communication interference, and improve the reliability of electrical equipment. Promotes a comfortable living environment. You can continue using essential appliances while potentially reducing electricity usage with the Stopwatt energy saver. Easy to use: Simply plug the device into a standard wall outlet. The green indicator light confirms it is working. No maintenance or special attention is required. Helps improve power utilization and reduce wasteful energy consumption. Suitable for multiple applications: Can be used in homes, shops, restaurants, offices, and small factories. Compatible with air conditioners, washing machines, refrigerators, electric fans, pumps, stereos, fluorescent lights, and other common electrical devices. Plug Type: US Plug (compatible with standard outlets in countries such as Canada, Mexico, Thailand, Taiwan, the Philippines, and others) Voltage: AC 110V Color: White Material: Plastic Package Contents: 5 x Stopwatt Energy Saver Note: The package includes only the items listed above. Light reflection and display settings may cause slight color variations between the image and the actual product. Measurement may vary by 1-3 cm.