Just bought a Polar Pro LED kit. It is just a snap on accessory. It sits on top on the Phantom. I already have 2 flights with it and it doesn't interfere with the GPS. Solid satellites. It has 2 options. Always on and blinking. It charged via micro usb. LED Light Kit fits Phantom 3 Standard, 4K, Pro, Advanced Easy Snap-On/Off Design Includes 2 White LED and 2 Red LED lights Battery harness snaps onto top of Phantom 3 Rechargeable battery lasts 40 min (constant) / 1.75 (flashing) Light-weight only 2.5 ounces Here are the pics.