🔌 Power Up Your Awareness! Built-in battery backup keeps your data safe for up to 90 days. Sleek design leaves your outlet free for other devices. Monitor and reduce your electricity costs effortlessly. Class 1.0 accuracy ensures reliable readings every time. Enjoy a large backlit display for easy reading, day or night. 3680W Overload Indication Auto Cost Calculator Long Time Data Hold The SURAIELEC Watt Meter is a versatile plug-in power meter designed to monitor and analyze your electricity usage. With features like an auto cost calculator, a large backlit display, and a long-lasting data hold function, this device empowers users to track their energy consumption and save on costs effectively. Its compact design ensures it occupies only one outlet, making it a practical addition to any home or office setup.