Literacy: An Introduction to Common Energy Efficiency Labels for Digital and Appliance Products

Have you ever felt like this: in daily life, you often see some familiar signs, but you don't know what they mean, where they come from, and what they are called? Okay, let's take a brief look at them. Next time when you buy home appliances and digital products, pay attention to them. When you buy energy-saving products, you can save a lot of electricity bills!