Features 1. **Comprehensive Real-Time Monitoring**: The multifunctional USB tester offers immediate feedback on vital parameters including electrical charging status, voltage, current, capacity, electricity, power, equivalent impedance, and temperature, ensuring you can monitor your device’s health with just a glance 2. **Broad Compatibility & Application**: Ideal for enthusiasts in digital and electronic hobbies, this tester is essential for assessing the quality of 3C (computer, communication, and consumer electronics) products. It's especially useful for gamers and tech aficionados who demand the highest performance from their gadgets 3. **Compatible with Diverse Rapid Charging Protocols**: The USB tester effortlessly identifies different rapid charging methods such as QC2.0, QC3.0, and supports standard charging currents up to 2.4A. It accommodates both DCP for popular smartphone platforms and other accelerated charging protocols, providing essential information about your device's power intake. 4. **Data Retention After Power Loss**: Unlike other USB testers, this device retains capacity and power data after the mobile power supply is switched off. This allows for easy reviews and precise measurements of portable chargers—crucial for verifying performance or capacity loss over time 5. **Enhanced Accuracy and Compatibility**: The tester is equipped with a 4-bit resolution for more accurate measurement of impedance and power. It includes a thermal sensor for temperature readings in either Celsius or Fahrenheit, ensuring precise monitoring. The USB 3.0 interface provides backward compatibility with USB 2.0, enhancing its versatility Fatures: A versatile USB tester offers real-time monitoring of key parameters like voltage, current, and temperature, providing essential insights into device health. It's compatible with various electronic products and particularly useful for tech enthusiasts. The tester recognizes multiple quickly charging protocols and maintains data after power off, ensuring reliable measurements. Advanced features include a high-resolution display and compatibility with both USB 3.0 and 2.0, making it an indispensable tool for evaluating device performance and charging efficiency. Specification: Item Type: USB Tester Mode: U96 Material: ABS Voltage Measurement Range: 3.60V-32.5V Current Measurement Range: 0.00-5.00A Accumulated Capacity Range: 0-99999mAh Accumulated Range of Electricity: 0-999999mWh Power Measurement Range: 000.00-299.99W Impedance Measurement Range: 1-999.9 ohms Timing Time: 999 hours, 59 minutes, and 59 seconds Input Interface: USB USB D+Voltage Range: 0V-2.99V USB D-Voltage Range: 0V-2.99V Refresh Time: Greater than 500mS/time Measurement Rate: Approximately 0.5 times/second Display Screen Type: IPS true color digital LCD screen with a heavy cost of 12800 pixels Screen Resolution: 160 x 80 Package List:1 x Tester 1 x Manual  Package List 1 x Tester 1 x Manual