Blue capped compatible. The push-locking connector is simple and fast to plug in and out. Pins from 2 to 9, and additional 3+9 & 3+11. The square flange is compatible with Amphenol® and Neutrik® installation holes. All the products are manufactured with high quality materials to meet the various requirements of different environments. The plastic material used is high performance PA66. Male pins used have excellent mechanical properties of phosphor bronze assembly with good electrical conductivity brass. Products have certificate by CE, UL, TUV and ROHS environmental protection requirements. The connector can insert and withdraw to 3000 times or more, ensure a reliable contact every time.