Description: This USB instrument can monitor voltage, current, capacity, power, load resistance, D+/D- voltage, charging time and other data. It supports QC2.0/QC3.0, BC1.2, Apple Iphone 2.4A and other various smart phones and chargers. Wide Test Range: 0-5.0A. Wide voltage range: 3-30V. This USB digital multi-meter is specially designed to protect your cell phone charging, the real capacity of your power bank and real time charging data detecting. Keep you and your devices safe with real-time monitoring of charge data, USB monitor will automatically cut off when the device is full charged. Exclusive design allows both USB sides to be used when connecting the USB tester with other devices. Specification: Input/Output Voltage: DC 3-30V, Resolution: 0.01V Current Test Range: 0- 5.0A, Precision 0.01A Cumulative Capacity Range: 0- 99999 mAh, precision 0.001Ah Cumulative Energy Range: 0- 999.999mWh, precision 0.001Wh Power Calculation Range: 0- 999.999W, precision 0.001W Time Cumulative Range: 0- 999hours 59min 59s, Accuracy: 1s Internal Resistance : 0-999.99 ohms Timer: 0-24 hours Temp. Range: 0-84? Accuracy: ±1% Line Loss: 0.1? Material: Plastic Color: Black Size: Approx. 53x 26mm/ 2.09x 1.02inch Package Includes: 1 Piece USB Safety Tester Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement
