RD UM34C 4A USB3.0 USB Meter Tester Voltage Current Power Charger Voltmeter Ammeter Multimeter Tester Measure Cable Resistance(UM34C)

About this item

• 1.UM34 is no communication version, don't support any communication way. UM34C is communication version, it can connect APP with Bluetooth connection
• 2. it can use to test the charging voltage and current of a charger with USB-A port, test capacity of a power bank, test resistance of a USB cable
• 3.Quick charge recognition mode：QC2.0、QC3.0、APPLE 2.4A/2.1A/ 1A/0.5A、Android DCP、SAMSUNG
• 4.it is easy to use, even you don't know anything about electronic device, just follow the instruction
• 5.Voltage measurement accuracy:±（0.2％+1digit）;Current measurement accuracy:±（0.8％+3digits )