RD AT34 USB 3.0 Color LCD USB Tester for Voltmeter ammeter voltage current meter multimeter, AT34 Mini multimeter is USB3.0 LCD Display voltage current meter Tester, mobile phone quick charger Battery Power Bank detector repair assistant. AT34 USB 3.0 Full-Color LCD Display Tester -Mini multimeter Phone Repair assistant Technical Parameter : Product Model: AT34 Display screen: 1.44 Inch color LCD display Voltage measurement range: 3.70-30.00V Voltage measurement resolution: 0.01V Current measurement range: 0-4.000A Current measurement resolution: 0.001A Capacity accumulation range: 0-99999mAh Voltage measurement accuracy: ±(0.8+4digits under 25) Energy accumulation range: 0-99999mWh 999.99W Current measurement accuracy: ±(1+4 digits, under 25) Load impedance range: 1-9999.9 Power measurement range: 0-120W Temperature range: -0~80/32~176 Temperature measurement error: ±3/±6 Working temperature range: 0~45 Refresh rate: 2Hz Product size: 64mm x 22mm x 12mm Product weight: 140g( with packaging 280g) Quick charge recognition mode : QC2.0, QC3.0, APPLE 2.4A / 2.1A / 1A / 0.5A