For Drones weighing lower than 250g with no digicam, neither ID is essential. Having said that, you still ought to adjust to the UK’s drone rules. Based on the Drone Code, This implies preserving visual connection with your drone, flying no higher than 120m above the bottom, remaining a minimum https://www.aeroindustrial.com/product/dji-matrice-3td-con-dji-care-basic-1-ano/