Petzl DUO S Headlamp (1100lm) Drop Prevention Approved for use at -40

Approved for use at -40 degree C (-40 degree F) to 204 degree C (400 degree F)

Size: 10'' and 20''

Model RR with 158' of lift - use a 56 TPI Limit Switch Shaft and 56 TPI Nut

while maintaining same capacity of larger Kootenay-style pulleys

Petzl DUO S Headlamp (1100lm) Drop Prevention Approved for use at -40Ultra powerful, waterproof and rechargeable headlamp Ultra powerful with 1100 lumens in BOOST mode, the DUO S headlamp runs on a rechargeable battery. Waterproof and durable, it is ideal for demanding sports such as caving, orienteering and cycling. Featuring the FACE2FACE anti glare function, a Petzl patent, the DUO S headlamp allows users to face each other without blinding one another, making group activities more comfortable Technical Notice