I own a 400 from wicked. My dad bought a 402ZF. WOW what a difference. the 402zf is impressive. Best light ive ever saw , i own lightforce and everything else. The focus is great. I talked to a tech from allpredator calls. He said the 400 tested 12,000 whatever at 1 meter. Teh 402zf tested 50,000 whatever. The 400 is bright, 402zf is rediculous. and u can dim it by teh 360 focus. I do not own a coyote light I know they are awesomeness, the tech said teh 402zf is brighter. With the riflemen package, and the price difference,,,, Basically teh kill light and the 400 are are good lights... teh coyote light and 402zf are the next generation