https://homelighting.en.made-in-china.com/product/cwDJZikHZnVl/China-Xy20-Bilateral-Single-Sided-Red-Core-IP68-Waterproof-Connector-for-Outdoor-Lighting.html
Xy20 Bilateral & Single-Sided Red Core IP68 Waterproof Connector for Outdoor Lighting - Waterproof...
single sided