tihuan Features: 1 Pair MC4 Male Female M/F Wire Cable Connector Set For Solar Panel Brand new and high quality. Contact material: copper, tin plated. Maximum working voltage: 1000V DC. Maximum working current: 25A. Insulation material: PPO. Flame class: UL94-V0. Contact resistance: ¡Ü5mm¦¸. Degree of protection when locked: IP67. Rated connecting capacity: 4mm2. Working temperature: -40¡ãC to 85¡ãC. Safety class: II. Insertion force: ¡Ü50N. Withdrawal force: ¡Ý50N. Specifications: Color:Black Size:97*18mm Net weight:21g Package weight:31g Packing content: 1 x MC4 Male Female Connector Set