Hello guys, I am a 3rd shift police officer and I am looking for a larger sized (13 inches is the departmental max and I would like to be as close to that as possible) that runs on 18650s. Waterproof and High impact resistance(for obvious reasons). Can you guys throw me some ideas? I prefer a side switch with something this large...and no more than 3 modes with a strobe if possible. My budget is whatever I need it to be as my lights are my life...litterally... the xt11 is great for searching but I need something to use when Im on traffic stops and out with folks where my weapon is usually holstered(xt11 comes out with the weapon). Any suggestions would be awesome. Also no plastic...lol