[Closed barrel terminal Material]: JRready connector 4 Wire Connectors made of high quality environmental-friendly materials & Terminals are made of brass Nickel plated, so our pin terminals don't crack when your correct crimping.
[Wide Range Performance]: Temperature resistance range: -40℃-125℃. Maximum current: 25A. Waterproof rating: IP67. This automotive wire connectors let you fearless inhigh temperature and low temperature, no matter harsh or humid environment.
[Widely Applications]: For cars (various 12v connectors 4 pin) , motorcycle , truck , marine and other wire connection.