You’re in the right place for tethering system specifically designed for the DJI Matrice 400 drone.By now you already know that, whatever you are looking for, you’re sure to find it on FOXTECH ROBOT.we guarantee that it’s here on FOXTECH ROBOT.Huixinghai Technology (Tianjin) Co., Ltd is made up of high technology and well-educated staff to produce the best products. .We aim to provide the highest quality tethering system specifically designed for the DJI Matrice 400 drone.for our long-term customers and we will actively cooperate with our customers to offer effective solutions and cost benefits.