Black Diamond Ion ultra light Headtorch.
The Ion is designed for backup use to be kept with you and has enough juice to get you off the hill to safety. It uses a camera style 6V battery to power it for 15 hours and has a distance of 15M. It uses 2 super bright LEDs and has a simple on/off press button that can be used with gloves. Comes with a light elastic headband and toggle adjuster.
Weighs in at just 25G and comes with battery.
