These all work moderately well and a chance to pick the target issue by drawing over the subject inside the app is useful. There is, however, no Follow Me matter tracking for tracking/following going subjects. DJI delivers Matrice drones for industry and company, as well as Agras drones for agriculture. https://caidenqafil.fitnell.com/68874750/how-much-you-need-to-expect-you-ll-pay-for-a-good-hammer-drones