Features: This current and voltages multifunction tester offer precise measurements, ensuring high accuracy in monitoring electrical parameters during mobile phone repairs. Featuring a multifunctional designs, this tester integrates various measurement capabilities suitable for diverses devices and circuits, fulfilling a wide ranges of repair needs. Two-way detection, using special metering chip, both positive and negative current can be sampled and measured, which can be used by reverse plugging. It supports one-button flipping of display interfaces, and the interfaces direction can be switched at will, so that it can easily cope with various positive and negative connection scenario. Close the screen with one button: it can close the screen display and refuse the light pollution when it is used. With its compacts abs construction, it is easy to carry and operate, equipped with a high brightness lcd screen for clear data display even in low light conditions, and includes builtin overload protections for safe usage. Specifications: Component:ABS Size:Approx.62x67x55mm/2.44x2.64x2.17inch Name: multifunctional current and voltages detector Model: χ α 1 Current: 5A Voltages ranges: 4V~25V Voltages resolution: 0.01V Current resolution: 0.01A Capacity measurement ranges: 0~9999Ah Display screen: 160x80dpi Energy measurement ranges: 0~9999Wh Package Includes: 1pcs Voltages Current Detector note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.