The Habotest Socket Tester Pro Ht107B is an essential tool for any business or industrial setting. This electrical usage meter is designed to accurately measure the amount of power being used and identify any faults or issues. With its compact and durable construction, this socket tester is easy to use and transport, making it perfect for on-the-go testing. Ideal for use in a variety of settings, including offices, warehouses, and factories, this socket tester is a must-have for any professional who requires reliable and accurate testing. Whether you're a seasoned electrician or a novice, the Habotest Socket Tester Pro Ht107B is a valuable addition to your toolkit.