Compatible: A pair of MC-4 male/female (M/F) cable fuse connectors, suitable for all Photonic Universe solar panels and most other solar modules. Technical Specifications: -Rated Current: 30A -Rated Voltage: DC1000V - Flame Retardant Level: UL94-V0 - Ambient Temperature: -40℃~+90℃. High strength insulating silicone waterproof ring, IP67 waterproof, dustproof and UV resistant, TUV tested cable. The housing is made of high strength PPO plastic, durable, radiation resistant, low temperature resistant, high strength, impact resistance, flame retardant. The male and female connectors have a stable self-locking system, and it is easy to insert and remove. Fast and easy assembly processing and simple removal of plugs without the aid of any additional instruments.