CH-4 Specs are really impressive. 35hr endurance, 20km target recognition, 18km targeting range
http://china-defense.blogspot.com/2016/06/alit-ch-4-ucav-remote-kill-via.html
"Two tests were conducted, one with the current version of the aircraft, the second with upgraded electroptical payload. The new EO ball is now fully upgraded, visual light camera upgraded to 1080p from analog and a 20km target recognition range, FLIR now has continuous zoom and 18km target range, new servo control and target tracking system, added integrated inertial guidance, auto focusing and image enhancing systems. CH4 is quoted to have a take off weight of 1300kg, payload 345kg, ceiling 4000m, and a 35 hours endurance. "
http://china-defense.blogspot.com/2016/06/alit-ch-4-ucav-remote-kill-via.html
"Two tests were conducted, one with the current version of the aircraft, the second with upgraded electroptical payload. The new EO ball is now fully upgraded, visual light camera upgraded to 1080p from analog and a 20km target recognition range, FLIR now has continuous zoom and 18km target range, new servo control and target tracking system, added integrated inertial guidance, auto focusing and image enhancing systems. CH4 is quoted to have a take off weight of 1300kg, payload 345kg, ceiling 4000m, and a 35 hours endurance. "