Upgrade your Celestron telescope's control capabilities with our high-quality USB-RS232-RJ9 cable. This 10-foot cable features a durable, black, rectangular connector that seamlessly connects your telescope's Nexstar hand controller to your computer. Equipped with a stable FTDI FT232RL chip, it ensures reliable signal transmission, making it perfect for both indoor and outdoor use. With 4 pins and a maximum voltage of 5 volts, this male-to-female connector cable is designed to withstand the demands of telescope control. Backed by a 180-day satisfaction guarantee, you can trust in the quality and performance of this Green-utech product.