SteriPEN Adventurer Opti with Solar Charging Case Bundle Automatic The digital compass guides you

The digital compass guides you with cardinal or half-cardinal points and a north-south arrow

Safe - No combustible fuels

Sizing is based on the size of the ear's Helix Bowl

Switch between them by turning the light on at the first level

Revolutionary by design

SteriPEN Adventurer Opti with Solar Charging Case Bundle Automatic The digital compass guides youINTRODUCING THE LATEST ADVANCE IN OUTDOOR WATER PURIFICATION! Adventurer Opti Product Information: The smallest, lightest SteriPEN, the AdventurerOpti, uses a revolutionary optical eye to sense the water. The patent pending technology ensures safe use and provides purification in even the coldest of waters. The new optical sensor doubles as a convenient LED flashlight. Its a great backup light when camping or taking a night time walk to refill your