Features: The 2 4G Module features advanced heat dissipation technology to overheating during prolonged outdoor photography , ensuring stable for your. Crafted with lightweight high grade plastic, this tool installation accessory maintains portability while providing secure compatibility with 2 remotes. Ideal for professional photographers, adventure videographers, and enthusiasts requiring thermal management in demanding environments. Perfect for extreme temperature scenarios like desert shoots or location filming where equipment stability is critical. Optimizes connectivity between your 2 controller and 4G modules across terrains, delivering uninterrupted for sports and cinematic projects. Specifications: Making: Plastic Color: Black Product size : 17x9x1cm Properties: Suitable for 2 remote control Package Includes: Remote control module heat dissipation rear cover 1Pcs 2Pcs heat sink note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.