3M type Wire Connector UY   JA-5001

2/3 Wire IDC Scotchlok gel-filled butt connector 

Conductor 0.4 - 0.9mm for UY2,UR,UR2,UB2A wire connector

Used to connect two wires safely and rapidly with moistureproof.

Applied to the conductors with inner diameter of 0.4—0.7mm

Can connec the cable directly

Do not need’t to shuck off the covering layer when connecting,it can be  compression in one time,junction with organic silicon grease oil  sealed ,waterproof and antisepticize