Understood about the light. In any case, it's something users can easily add if they want to, along with matches. You might include a mention of it on the web site, or ask Aeromedix to sell them separately, or something like that. And to confirm, these lights definitely have no pressure switch. The LED lead is formed against the front of the light and the slide switch holds the batteries in a tray-like compartment and slides them forward against the switch. There is no way you can turn the light on without sliding the switch about 5 mm.

Another useful possible addition for some future iteration: a 1 quart Ziploc bag. These are great for carrying water and probably good for using purification tablets. They're not indestructable when full of water, but they're still pretty sturdy, and won't break if you're just a little bit careful. I've done tests like dropping them on the ground from several feet and they don't burst unless overfilled.