Feature: 1. Using 0.96in LCD HD color LCD display, real-time display of the charging status of electrical appliances, voltage, current, capacity, energy, power, equivalent impedance, temperature and so on. 2. HD display, 160 degree wide angle of view, clear picture quality, high brightness, long working life. 3. Supporting two-way current measurement, it can measure both forward current and reverse current, which is more convenient to use. 4. 6-bit resolution, more accurate measurement, real-time monitoring of charging status, protection of charging equipment, safer use. 5. It supports Bluetooth connection control of mobile APP (For Android + For IOS). Through Bluetooth wireless connection of APP, real-time data of voltage, current and power can be detected by mobile APP. 6. Supporting for USB PD, for QC2.0/3.0, for Samsung AFC, for Huawei FCP/SCP, other mainstream fast charging protocols, can trick out 5V/9V/12V/20V and other fast charging voltage, convenient for digital players to test the performance of fast charging chargers, data lines and other products. Specification: Condition: 100% Brand New Item Type: USB Tester Material: ABS Model: TC66 Display: 0.96in Color IPS Display Voltage Measurement Range: 0.005V-30.0000V Voltage Measurement Resolution: 0.0001V (0.1mV) Current Measurement Range: 0-5.00000A Current Measurement Resolution: 0.00001A (0.01mA) Supply Voltage: 3.5-24V Screen Resolution: 160x80 Capacity Accumulation Range: 0-99999mAh Voltage Measurement Accuracy: ± (0.05% + 20 Bits at 23 ° C) Energy Accumulation Range: 0-99999mWh 999.99Wh Current Measurement Accuracy: ± (0.1% + 30 Bits, 23 ° C) Load Impedance Range: 1Ω-9999.9Ω Power Measurement Range: 0-150W Temperature Measurement Range: 0°C-80°C/ 32°F-176°F Refresh Rate: 2Hz Operating Temperature Range: 0-45°C/ 32°F-113°F Automatic Screen off Time: 0-9 Minutes Fast Charge Recognition Mode: Support For QC2.0, For QC3.0, For Android DCP, For SAMSUNGSize: Approx. 49x22x8mm / 1.9x0.9x0.3in Package List: 1 x USB Tester1 x Storage Box1 x Instruction Manual