Features: Materials: The inner core of the solar connector is made of silver-plated copper which is resistant to high temperature and aging and the shell is made of reusable PPO with excellent insulation. Workmanship: This solar connector is exquisitely-made with a smooth surface flat burrless edges and firmly secured joints. Durable: PPO material solar connector shell is strong and durable wear resistance and scratch resistance can be used in harsh environment rain and snow resistance. Easy Installation: This product is easy to install detachable requires no extra tools and is compatible with different cable diameters saving time and effort. Practical: The strong solar connector can be connected to the solar energy for all kinds of scenes in life the connector has a non-slip pad not easy to fall off. Specifications: Material: Silver Plated Copper+PPO Insertion Resistance: 1mm Protection Level: IP67 Environmental Temperature: -40 ~+125 Notes: 1. Due to the light and screen setting difference the item's color may be slightly different from the pictures. 2. Please allow slight dimension difference due to different manual measurement. includes: 20pairs * Solar Panel Connector( male & female ) 20pairs * Core( male & female ) "