Product features: Real-time monitoring of charging status Protect charging equipment, for the detection of charging equipment such as chargers and mobile supplies, display voltage, current, and other data on one screen to meet diverse testing needs.High-definition screen is obvious adopts 0.96-inch IPS high-definition color LCD screen, 160-degree wide viewing angle, high brightness, long working life.One-screen display of various data Real-time monitoring of voltage/current//internal resistance/temperature, etc. of USB electrical equipment when working, one-screen display, real-time grasp, more secure and reliable.4-digit resolution measurement is more accurate Product measurement resolution is increased to 4 digits, higher precision and more accurate measurement.Widely compatible with fast charge recognition - key off-screen display flip.Product parameters:Model: AT34Display screen: 0.96 inch IPS color LCD screenMeasuring voltage: 3.700-30.000VVoltage measurement resolution: 0.01VMeasuring current: 0-4.0000ACurrent measurement resolution: 0.001ACapacity measurement range: 0-99999mAhVoltage measurement accuracy: (0.1%+2 digits)Energy measurement range: 0-99999mWh-999.99WhCurrent measurement accuracy: (0.2%+4 digits)Load impedance measurement range: 1-9999.9 measurement range: 0-120WTemperature measurement range: 0~65/32~149Temperature measurement error: 3/ 6Operating temperature range: 0-45/32~113Data refresh rate: about 0.5HzProduct size: 64 x 22 x 11.2mmD+/D- Voltage measurement range: 0-3.3VD+/D- voltage measurement accuracy: (10%+10 digits)Fast charge recognition mode: QC2.0, QC3.0, for 2.4A/2.1A/ 1A/0.5A, for Android DCP, for Material: PCcolour: bluePackage Contents:1 x TesterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.