If you look closely. I used a small lotion container.its tucked into the right side at the rear. Plastic with a lot of threads and silicone keep her dry. And the servos are covered with wd40 silicone spray. I hate radio boxes. They always leak Idc what people say. At least this way when my boat gets picked up outta the water they are out of the water but a box will hold water all the way to the dock and then open, dry out. Just makes sense to me.