It doesn’t matter if space is at a premium, your light requirements still remain the same. The Petzl e+LITE is an ultra-light, extremely compact headlamp that is capable of 50 lumens of brightness. It features both white and red light as well as a strobe function. It comes with a handy carry case and can be stored with its batteries installed for ten years. Perfect for an emergency kit, in a backpack or used as a back-up headlamp. An emergency whistle is integrated in its elastic headband.
$30