【Versatile Compatibility】Support for both iOS and Android models, enabling Type-C and iP device detection for various brands of mobile phones and computers. 【Intelligent Automatic Detection】Simply connect the device to the phone's charging port, and the tester will initiate automatic detection, with the option to re-inspect using the corresponding interface button. 【Fault Point Identification】Automatically reads diode characteristic values of USB connections to diagnose and pinpoint USB interface fault issues accurately. 【High-Definition Display】Compact screen efficiently displays multiple information points, allowing for quick assessment of measurement values and saving valuable testing time. 【Long-Lasting Performance】Features an internal battery for ultra-long standby time, ensuring extended use without frequent recharging. Specifications: Model: TB-09 Net weight: ≈25g Product Size: 74*36*14mm Resolution: 2.99 characters (3.5 digits) PN junction measurement range: 0.00-2.99 Charging voltage: 5V Current: 300mA Battery capacity: 250mAh Screen size: 1.77 inches