What is the 'Fatah-1' missile used in operation 'Bunyan al-Marsus?'

After 88 hours of terrible tension between Pakistan and India, a ceasefire was declared yesterday. During the tension, Pakistan launched a counter-attack against India and named this operation ‘Banyan Marsus’. Pakistan launched the operation with the missile ‘Fatah One’, the video of which also went viral on social media. But what is the Fateh One missile?
#fatah1​ #missilestrike​ #indiapakistan​ #ceasefire​