Plug and play and fast identification, this tester is low power consumption and energy efficient. By monitoring temperature, power, current and voltage in real time, this tester safeguards the charging procedure. This tester is made of high-quality metal and abs material. The length is 7.35cm, the width is 2.8cm and the thickness is 1.5cm. This tester is suitable for mobile phones and tablets. Item Name: USB Tester Material: Metal, ABS Features: Digital Display, Timer Function, Sensitive Touch, Data Storage Voltage: 4-30V Current: 0-5A Power: 0-150W Internal Temperature: -5 to 80 Degrees Celsius Indicator Display: USB Power Status, Voltage, Current, Power, Capacity, Electric Quantity, Timing, Temperature, etc. Size Details: L: 7.35cm/2.89", W: 2.8cm/1.1", H: 1.5cm/0.59"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x USB Tester