1-to-2 efficient charging: TYPE-C female to dual C male design powers two cameras of Birdfy 2 simultaneously, eliminating single-port limitations and doubling the birdwatching battery life. Heavy-Duty Waterproof Design: Constructed with a PVC45 materials, this cable withstands outdoor rain, snow, and extreme temperatures, ensuring reliable device operation in harsh weather. Stable conductive performance: Features 5Ω low conductive resistance and 10MΩ high insulation resistance, ensure stable solar power supply without interruptions. Durable material construction: Contains 41 strands/0.08mm copper wire conductors and 3.0mm thickened cable, paired with a wear-resistant zip tie design, resisting tension and bending for long-lasting outdoor use.