Voltage and Current Checker Makerfire USB C Meter Tester Type-C Multimeter Tester TFT Color Display Current Voltage Resistance Temperature Power-on Time Capacity AMP Charger Load Impedance etc. Display QC2.0 3.0 usb ammeter (Black) ・Brand: Makerfire ・Power Source: Battery Powered ・Style: Black ・Color: Black ・Minimum Operating Voltage: 3.6 Volts ・Compliance Specifications: RoHS, CE USB Checker: This device can easily check the voltage, current, capacity, power, power, temperature, load impedance, D ++ / D voltage, and charging time of Type-C devices and USB devices. The product to be plugged in and tested must be connected during use. If not connected, the test may be inaccurate. Rich Numerical Display: Instantaneous current (A), accumulated current (mAh), voltage (V), instantaneous power (W), accumulated power (Wh), temperature (℃), power-on time (h:m:s), resistance (Ω), eight pieces of information can be seen at a glance. Professional Safety Protection: The USB tester has overvoltage protection, overcurrent protection, and undervoltage protection. This upgraded USB Type C tester detects safety and protects devices from maximum damage. You can monitor voltage and current, troubleshoot electronic repairs, and protect your equipment. Detection of Various Fast Charging Protocols: Supports Qualcomm QC2.0/3.0, Huawei FCP, SCP, Samsung, APPLE fast charging detection to meet the needs of various mobile phone users; Supports electrical signal monitoring during PD3.0/2.0 fast charging protocol, Meet the needs of various mobile phone users. OTG: With the Type-C OTG protocol, you can turn on the OTG digital function by inserting a randomly embedded Android switch header in the upper left corner of the Android circuit. Source: Amazon Sales Page Thank you for viewing.