Current Voltage Multifunctional Tester Mobile Phone Repair Current Voltage Testing Tool 1. Current: 5A 2. Voltage range: 4V - 25V 3. Voltage resolution: 0.01V 4. Current resolution: 0.01A 5. Energy measurement: Supports WhAh 6. Capacity measurement range: 0-9999Ah 7. Voltagecurrent accuracy: 1% 8. Display: 160 x 80 DPI IPS screen 9. Energy measurement range: 0-9999Wh 10. Supported detection protocols: PD, QC2.0, QC3.0, SCP, AP2.4A, DCP 11. Size: about 6.7 x 6.2 x 1.2cm 12. Weight: about 20.5g Features: 1. Supports common fast charging protocols, automatically identifies and detects, supports PD, QC2.0, QC3.0, SCP, AP2.4A, and DCP fast charging identification and detection 2. Bidirectional current measurement technology, bidirectional detection, using a special measurement chip, capable of sampling and measuring both forward and reverse currents, supports reverse plugging, the C port can be plugged into the charger or into the phone 3. Supports one-click screen rotation, allowing the interface direction to be switched freely, easily adapting to various forward and reverse connection scenarios 4. Can turn off the screen display to avoid light pollution during nighttime use 5. Compatible with multiple devices, easily test various chargers, data cables, power banks, laptops, phones, Type-C digital devices, etc., for current, voltage, fast charging recognition, and other parameters, displaying multiple parameters on a single screen 6. HD color screen display, real-time detection of charging voltagecurrent functions, and other parameter information