Feature:1. Universal: This instrument can be used to detect short circuits on any cell phone and laptop.2. Function: Short circuits can be detected and repaired within seconds, and various short circuits on the circuit can be tested.3. Parameters: Support input voltage AC 90 50Hz 60Hz, output voltage 05.5V, current 030A.4. Features: Overheating protection, overcurrent protection, overvoltage protection, voice prompt, automatic recovery, safety and efficiency, positive and negative identification.5. Material: Made of aluminum alloy and plastic material, simple design, portable, light and easy to operate.Specification:Item Type: Mobile Phone Short Circuit DetectorMaterial: Aluminum Alloy, PlasticModel: TS 30AProduct Size: Approx.154 x 85 x 38mm / 6.1 x 3.3 x 1.5inMaximum Current: 0-30A.Package List:1 x Repair Instrument1 x Power Cord2 x Test Lead Wire1 x User Manual