The PHA4-2700W Hard Case with Wheels for DJI Phantom 4 / Phantom 4 Pro / Phantom 4 Pro+ is a watertight hard case from HPRC that features a pre-cut foam interior to fit the DJI Phantom 4 Quadcopter with a tablet, up to five spare batteries, the radio controller, two sets of spare ...The PHA4-2700W Hard Case with Wheels for DJI Phantom 4 / Phantom 4 Pro / Phantom 4 Pro+ is a watertight hard case from HPRC that features a pre-cut foam interior to fit the DJI Phantom 4 Quadcopter with a tablet, up to five spare batteries, the radio controller, two sets of spare propellers, tools, cables, and more. It is impact and drop resistant, corrosion resistant, and features a neoprene seal that, when properly closed, is designed to keep the case watertight and your Phantom protected, even if it's submerged in shallow water. A release valve allows you to equalize air pressure when traveling between different elevations.