1.Original 2.Most efficient service,fast delivery 3.Hight quality,competitive ... AND CLEANING PROCESSES1.Keep all switch contacts in their “OFF” position for all operations2.WAVW SOLDERING:Recommended Solder Temperature at 240 ... , you can send us the Reference NO or MTCN. 2 position 4 pin Dip slide switch*Pitch 2.54mm,4pins*