For drones weighing under 250g and not using a camera, neither ID is critical. That said, you still need to adjust to the UK’s drone laws. Based on the Drone Code, this means maintaining visual contact with your drone, traveling no better than 120m earlier mentioned the bottom, being at https://www.aeroindustrial.com/product/dji-matrice-3d-con-dji-care-basic-1-ano/