Converting heat from the fire into usable electricity, these clever stoves will recharge your phones, lights and other gadgets while you cook dinner. Unlike solar, BioLite CampStove is a true on-demand source http://www.biolitestove.com/campstove/camp-overview/features/
1 liter faucet. The glass tube holds exactly one liter of water, sufficient for a quick handwash. The theory being that we waste almost six liters of water and use only one, while washing hands. Once the stored one-liter is used up, you have to turn-off the tap till the next one liter fills up the tube.