[Y Branch parallel Connector]The solar connector has 1 male to 2 female (M/FF) and 1 female to 2 male (F/MM). It can connect 2 solar panels in parallel. [Durable] The inner core of the wire is twisted with 56 tinned copper wires with a diameter of 0.285mm, with low contact resistance and high current and high voltage load capacity. The wire jacket is made of XLPE material, which is resistant to high and low temperature, fireproof and anti-corrosion, anti-ultraviolet, and has a service life of up to 25 years. (PS: the service life of ordinary PC and PPO materials does not exceed 5 years) [Double Sealing Ring & Flame Retardant]IP67 waterproof rating and UL94 V-0 flame retardant rating, durable in outdoor environments, the double sealing ring design improves the waterproof performance and increases the feasibility of the cable to be used in severe weather such as rain, snow, and wind [Easy to install&Strong Connection]The solar connector cable can be connected with your fingers, press your fingers to either side of the built-in lock on the male connector for the solar panel can connect and disconnect the solar wire connectors and solar cables easily, plug and play, Strong connection and not easy to fall off [High-Security Connector]Solar photovoltaic connector for the installation and use of solar photovoltaic power static, rated current is 30A, rated voltage is 1000V DC, high-quality materials can keep your equipment stable at -40℃~+85℃ Work colour: black + red Material: copper wire Package Contents: 4 x Solar Connectors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.