I want to radio control a flashlight to turn on and off. It will need to be inserted on/in a dog training dummy and thrown. I give the dog a directional signal via whistle and if he turns correct direction I turn on in the light in the dummy and he will retrieve it. Here are two short Youtube videos but they don't say how to do it.
https://www.youtube.com/watch?v=0nMBcD8vAzs https://www.youtube.com/watch?v=H7UK_ON2OLA

Can anyone help me with the logistics? Thanks!