waterproof

This thing is a total beast though after you initially break a few parts to get used to it like wow the throttle adjust on the controller is perfect for letting your friends drive it .ran the thing thru a foot of water accidentally and its perfectly fine engine stays cool .I just realligned my...

I have a Arrma nero, my question is '' are the diff servo's watterproof?'' and also, how waterproof are are arrma Rc, like can it only drive over little water? or also over deep water?

I'm tired of the sloppy slow steering. Going to upgrade my Kraton servo What is recommended here ? Servo and servo horn or ?? Thanks