Stopwatt helps maintain voltage and synchronize current to support energy efficiency in your home. It is designed to reduce unnecessary energy consumption that contributes to higher electricity bills. The unit features a compact design and requires no technical knowledge to use effectively.[Improve Equipment Performance - Anti-Jamming] This energy-saving device may help reduce electrical interference, which can potentially improve the performance of connected electronic devices. It may enhance audio and video signal clarity and reduce signal disruption in wireless communication systems, contributing to more reliable operation of household electronics.[Comfortable Living] Many households limit the use of essential appliances to manage energy costs, which can impact comfort. Stopwatt allows you to continue using necessary appliances while supporting reduced energy usage, helping lower electricity expenses without sacrificing convenience.[Easy to Use] Simply plug the device into a standard wall outlet. A green indicator light confirms it is functioning. No maintenance or additional setup is required. It works automatically to optimize power usage and minimize wasteful energy consumption.[Multi-Function Use] Suitable for use in homes, shops, offices, restaurants, and small commercial spaces. Compatible with various appliances such as air conditioners, refrigerators, washing machines, electric fans, pumps, audio systems, fluorescent lighting, and more.Plug Type: US Plug (compatible with countries using standard US outlets including Canada, Mexico, Thailand, Taiwan, the Philippines, and others) Voltage: AC 110V Color: White Material: Plastic Package Contents: 5 x Stop Watt Energy Saver Note: Colors may vary slightly due to screen resolution and lighting conditions. Size measurements may have a tolerance of 1-3 cm.