BlueSwordM
(BlueSwordM)
6
See, the lights you linked aren’t actually as bright as the lights I linked. They are just a lot more intense than modern LED lights in terms of spotting, and are absolutely massive overkill for 700ft uses.
And looks like they aren’t available anymore.
They can also be put on a tripod, so you can just put them on it, and let the party start 
The video as an example of the MF04S. As you can see, it is a massive wall of light:
It’s not going to be easy though to find a good and powerful light that uses standard 12V though.
There’s also this monster, but I wouldn’t recommend it to you:
https://www.aliexpress.com/item/JUJINGYANG-100W-high-power-xenon-lamp-outdoor-handheld-hunting-fishing-patrol-vehicle-searchlights-hernia/32263732433.html?spm=2114.search0104.3.22.1c5422184F2idQ&ws_ab_test=searchweb0_0,searchweb201602_2_10065_10068_10130_10890_318_10547_319_10546_10548_317_10696_450_10084_10083_10618_452_535_10139_534_533_10307_532_204_10059_10884_323_325_10887_100031_320_321_322_10103_448_449-10890,searchweb201603_45,ppcSwitch_0&algo_expid=f04e2e10-28bc-4208-b544-0dc255f37bcb-3&algo_pvid=f04e2e10-28bc-4208-b544-0dc255f37bcb&transAbTest=ae803_4