USB C Tester,KJ-KayJI 2 in 1 Type C USB Tester Color Screen IPS Digital Multimeter(2021),Voltage,Current,Power,Temperature,Capacity Detector,with Clip Cable Support PD2.0/PD3.0,QC2.0/QC3.0,BC1.2 auspowers_batchone and GND is ground wire

and GND is ground wire

EASY TO USE - Twist clockwise the thread to open and anti-clockwise to close

using them you can put what you want (like wall

Nut Type:Acorn Hex Cap Nuts Metric M3 (50 pieces)

28 Package Include: 1 x Screw Gauge Set

USB C Tester,KJ-KayJI 2 in 1 Type C USB Tester Color Screen IPS Digital Multimeter(2021),Voltage,Current,Power,Temperature,Capacity Detector,with Clip Cable Support PD2.0/PD3.0,QC2.0/QC3.0,BC1.2 auspowers_batchone and GND is ground wireUSB C Tester,KJ KayJI 2 in 1 Type C USB Tester Color Screen IPS Digital Multimeter(2021),Voltage,Current,Power,Temperature,Capacity Detector,with Clip Cable Support PD2. 0 PD3. 0,QC2. 0 QC3. 0,BC1. 2 Display Screen Operation Manual: Press the Power Button Once: Switch the Display InterfaceLong Press the Screen to Flip Fast Double Click Capacity mAH ClearFast Press Three Click Current WH ClearFast Press Four Click Time CleaFast press five click setting