Feature: 1. Digital Display: Dual USB tester has a digital LCD screen, which can make clear reading and make your reading more accurate, and has input male port and 2pcs output female port. 2. Multi Purpose: USB power meter is used to detect USB charging current, voltage, capacity, power, time, display accurate data for you in real time, and detect chargers and cables. 3. Application: Mini dual USB tester is compatible with USB A port devices, such as mobile phones, tablet computers, notebook computers, car chargers, power packs, wall chargers, cables. 4. Accuracy: Adopts professional instrument sampling circuit and unique accurate algorithm to ensure the accuracy and stability of products in hardware and software. 5. Small And Portable: DC USB current meter tester is easy to carry and lightweight, which provides a safe charging environment for you wherever you go. Specification: Item Type: Dual USB tester Material: ABS Voltage: DC 4-30V Current: 0-5A Power: 0-150W Time: 0-99 hours Timer: 0-24 hours. Package List: 1 x Dual USB Tester