UPGRADED WIRE CONNECTORS - 24 pack upgraded SUNVIE fastlock2 low voltage landscape lighting connector. Only one is required per connection, one connector is equal to others two, make connection easier. 24 pack are enough to connect 24 lights. PATENT NO.: US D935, 409S RELIABLE QUALITY - Ultra strong nylon plastic + fiberglass mixture and nickel plated brass pin to ensure its corrosion resistance and electrical conductivity, still holding good connection after a long time use. A nice choice for you to use outdoor lighting fixtures for a long time.