Usage Tips: [Stopwatt ] Stopwatt Cleans the Electricity in Your Home and Cuts down on Unnecessary Energy Use That You Still Have to Pay For. Stopwatt's Objectives Are to Maintain Voltage, Synchronize Current, And Help You Save Energy. The Design of Stopwatt Is Rather Intricate, But You Don't Need to Understand Every Aspect of It to Accomplish Your Objectives. [Improve Equipment Performance - Anti-Jamming] Stopwatt Energy Saver In Addition to Reducing Electrical Pollution and Protecting Electronic Devices, Stopwatt Can Also Improve the Performance of Electrical Equipment. By Reducing Electrical Interference, Stopwatt Can Improve the Clarity of Audio and Video Signals, Reduce Interference in Wireless Communication Systems and Improve the Reliability of Electrical Equipment. [Comfortable Living] We Frequently Try to Use Fewer Appliances to Save Energy Costs. Without Refrigerators, Fans, Or Even Air Conditioners, People May Be to Survive in Such Conditions. They Are Not Driven by a Desire to Reduce Their Electricity Costs. However, While Using All of Your Necessary Appliances, You Can Cut Your Electricity Costs by Using Stopwatt Energy Saver. [Easy to Use] The Power Saver Plug Is Very Easy to Use, Just Plug the Power Saver into Wall Socket, The Green Indicator Light Will Be Bright. The Saver Does the Rest. No Need Special Attention or Maintenance.Help You to Improve the Use of Power, Avoid Invalid Waste of Electricity. [Multifunction Use] One Stopwatt Use in Homes, Shops, Restaurants, Offices, And Small Factories. Compatible with Air Conditioners, Washing Machines, Refrigerators, Electric Fans, , Pumps, Stereos, Fluorescent Lamps, And More. Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage:AC110V Colour:White Material:Plastic Package Contents: 5 * Stop Watt Energy Saver Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.