Product name: Belongs to butt splice of UY type wire connector which changed the twist and solder connection method of complicated conventional cable wire. Ideal for sub-wiring, wire connection between small and medium power lines, quick and convenient. UY type button type connector is a two-pole moisture-proof type for direct connection to 2 sons. The applicable wire diameter is 0.4-0.7mm, and the large insulation outer diameter is 1.52mm. It solves the problem of complicated wiring work for screw crimp terminals. Safer and more efficient: Insulation, safety, easy to use, just complete the following using a vise, with a dedicated wiring clamp, etc., with a good effect, fast, 100% connection rate, phone, project of network cabling, it is a subtype of K2 monomeric low-moisture effect cabling, using pole connection for direct wire connection Internal gel-filled design ensures the driver's airtight environment. Applicable to low-voltage alarm or telephone installations, connect two telephone lines, data signal cables and other conductors. Can be easily installed. Simply push or twist to insert wire ends directly into terminal block holes Package includes: 100 Uvital UY connectors. Applied to conductors with an inner diameter of 0.4—0.7mm and AWG 21-26 suitable for most types of electromechanical connection of cables, household appliances, distribution lines, lighting lines, etc.