Stopwatt cleans the electricity in your home and reduces unnecessary energy consumption. Stopwatt is designed to help stabilize voltage, synchronize current, and support energy efficiency. The design of Stopwatt is advanced, but it is easy to use without needing to understand all technical details. Improve equipment performance and reduce electrical interference. Stopwatt helps reduce electrical noise, which may contribute to better performance of electronic devices. By minimizing electrical interference, Stopwatt may enhance audio and video signal quality, reduce disruptions in wireless communication, and increase the reliability of electrical systems. Enjoy a more comfortable living environment. Many people limit the use of appliances to manage energy costs. Without refrigerators, fans, or air conditioners, comfort can be significantly affected. Stopwatt allows you to use your necessary appliances while helping to lower electricity usage. Easy to use: Simply plug the device into a standard wall outlet. The green indicator light confirms it is working. No special maintenance or ongoing attention is required. Helps improve power utilization and reduce wasteful energy consumption. Suitable for use in homes, shops, offices, restaurants, and small factories. Compatible with various appliances such as air conditioners, refrigerators, washing machines, electric fans, pumps, audio systems, and fluorescent lighting. Plug Type: US Plug, suitable for use in Canada, Mexico, Thailand, Taiwan, the Philippines, and other countries with compatible outlets. Voltage: AC 110V Color: White Material: Plastic Package Contents: 5 x Stopwatt Energy Saver (other items not included) Note: Lighting and display differences may cause slight variations in color between the image and the actual product. Measurement may vary by +/- 1-3 cm.