Brand N/A Model N/A Quantity 1 Color Grey + black LCD Display 1.5 inch Special Functions The tester uses electricity three semi-double integral type A / D converter IC; Equipped with precision and gap reference; Precise measurement; High accuracy and Stable working; Reliable and anti-interference; Uses in measurement power supply or power consumption of USB interface cell phone charger and USB flash drive etc. Application Measuring empty / load voltage of USB-powered devices; Adopts high-quality GB USB cable reducing line losses drop to ensure precise and stable testingunder large current circumstances; Current and voltage toggle switch easy to use; Mini and portable. Other Working current: 0~2A; Detects mobile phone charger voltage compliance DC5V (3A current measurement accurate to 2-bit) / (2A current measurement accurate to 3-bit); Working range: U=4~7V I=0~3A; Resolution: 10mV / 1mA; Accuracy: Voltage Packing List 1 x Tester (20cm-cable)