Miniature Sealed 2/4 pin connector kit.

These sealed connector kits come in either 2-pin or 4-pin configurations. They work great for anything up to 5 amps. 

(Pictured next to a Deutsch DT & DTM 2-pin connector for reference of size.)

Features:

• Robust design ideal for rugged and heavy-duty applications
• Mechanical lock prevents incomplete mating with a clear click feeling.
• Easy insertion and extraction.
• Tolerant to harsh environments.
• Sealing ring prevents water, grease, dust etc. from getting inside.
• Rear cover protects the grommet from damage during terminal insertion.
• Vibration Resistant