Use environment: temperature -30-and70 Relative humidity: Less than 85 percent Atmospheric pressure: 70-106KPa Insulation resistance: insulation resistance between any two terminals 1x10M (normal temperature and humidity ) Contact resistance: The contact resistance between the terminal card and the wire is less than or to 5m Dielectric strength: Apply 2000V (or AC 1400V) between the metal wire of the connected module and the insulating shell (shell, outer skin), and the module will not be damaged or breakdown within 1 . Material:plastic colour:Blue Package Contents: 20 X Cable Only the above package content, other products are not included. Note: Light 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. Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it