Ruffwear Swamp Cooler - Cooling Dog Vest Lock Back The Perun 2 can be

The Perun 2 can be used as both a headlamp with a headband and as a handheld light with a comfortable grip

for an increased output of 300 total lumens

CREE XP-G2 as the primary LED

You can buy the Benchmade Adamas 275SBK at Going Gear

Special spring material for higher efficiency:

Ruffwear Swamp Cooler - Cooling Dog Vest Lock Back The Perun 2 can beHelp your dog beat the heat with this innovative cooling vest. Just soak it in cold water, wring it out, and fasten around your dog. Evaporation cooling (like an actual swamp cooler) exchanges the dog's heat with the coolness of the stored water in the coat to keep them comfortable and ready to run that extra mile. Maximum cooling through evaporation and heat reflection Three layer construction maximizes cooling effects: wicking outer layer