General description The USB 3.0 Tester Multimeter AT35 is an upgraded digital voltage meter designed for measuring current and voltage in the range of 3.7 to 30 volts. It features a color screen for easy reading and is suitable for various applications, including power supply and charger detection. Technical specifications Model: AT35 Measurement Range: 3.7-30 V Input Voltage: 3.7-30 V Output Voltage: 3.7-30 V Ambient Temperature: 0-40 ℃ Dimensions: 64 mm x 22 mm x 12 mm Voltage Measurement Error: ±(0.1% + 2 digits)