Connected Detector -USB Tester LCD Port Current Detector Load Test Multimeter Voltmeter Highlights generic brand USB Tester LCD Port Current Detector Load Test Multimeter Voltmeter Description: This USB instrument can monitor voltage, current, capacity, power, load resistance, D+/D- voltage, load time and other data. It supports QC2.0/QC3.0, BC1.2, Apple Iphone 2.4A and other different smart phones and chargers. Wide test range: 0-5.0A. Wide voltage range: 3-30V. This USB digital multimeter is specially designed to protect your mobile phone's charging, your power bank's actual capacity and real-time charging data detection. Keep you and your devices safe with real-time monitoring of charging data. The USB monitor automatically shuts off when the device is fully charged. An 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, accuracy 0.01A Accumulated capacity range: 0-99999 mAh, accuracy 0.001Ah Accumulated energy range : 0-999.999mWh, accuracy 0.001Wh Power calculation range: 0-999.999W, accuracy 0.001W Cumulative time range: 0- 999 hours 59min 59s, accuracy: 1s Internal resistance: 0-999.99 ohm Timer: 0-24 hours Temp. Range: 0-84 Accuracy: 1% Line Loss: 0.1 Material: Plastic Color: Black Size: Approx. 53 x 26mm / 2.09 x 1.02inch Package Include: 1 Piece USB Safety Tester Note: Due to the light and screen setting difference, the item's color may be slightly different from pictures. Please allow slight dimension difference due to different manual measurement.