?Warranty?Not satisfied with the product? Let us make it up to you! We promise full returns for items within 30 days of receipt of shipment, and free 365-day-warranty is guaranteed. ?Professionally Manufactured?5Pin Plug Core, M12 Thread, IP67 Waterproof Grade, Plugandplay Connection. Made of premium materials and finished with matte black. After rigorous testing, oil resistance, seawater resistance, waterproof, anti-rust, provides longer service life and better performance. ?Safe & Plugandplay?Simply plug in the connectors and the tube. Essential opponent to build a NMEA 2000 network, connecting the drop cable or device to the network backbone. The connectors make it possible to run a cable in between these Tees if you need to extend the Tees out. ?Convenient Network Device Addition?Easily connect additional displays, sensors or other devices to your NMEA 2000 (N2K) backbone cable using our straightforward, durable and waterproof T-connector. It's a minimalistic and safe option that effectively adds wired components to your command center. ?Fitment?Compatible with NMEA 2000 Network. Fit for Garmin, Lowrance, Simrad, B&G and Navico networks with sensors or devices.