40.5g, 320 Lumens: The Nitecore HM01 is a tactical helmet light that produces a high 320 lumen output with a max 74m beam distance. The HM01 is specially designed for ARC rails and features a 3D pivoting system for adjusting it to the desired angle. The HM01 has two output modes which can easily be controlled with the one button interface. This light runs off a disposable CR123A battery (included) and is also compatible with rechargeable RCR123A batteries (see related products for additional batteries). The HM01 is ultra compact and lightweight weighing only 40.5g which makes it perfect for mounting on your helmet. CR123A battery included. 

Features

• Utilises a Luminus SST-20-W LED 
• Produces a max output of 320 lumens and a 74m beam distance
• Utilises a total internal reflection lens to create a smooth and soft peam
• Powered by a CR123A battery
• Incorporated advanced temperature regulation module
• Highly efficient constant current circuit provides a stable output
• 3D pivoting system specially designed for ARC rails to flexibly adjust the beam angle
• Constructed from aero grade aluminium alloy
• HA III military grade hard-anodised finish
• 1m impact resistance
• IP68 waterproof rating
• Package Includes:
  • 1 x Nitecore HM01
  • 1 x CR123A battery
  • 1 x Spare O-ring
  • 1 x 2.5mm hex key
  • 1 x 1.5mm hex key

Specifications:

• LED: Luminus SST-20-W LED 
• Runs On: CR123A battery (included)
• Max beam distance: 74m
• Peak beam intensity: 1390cd
• Brightness Output:
  • Low: 35 Lumens - 15 Hours
  • High: 320 Lumens - 3 Hours

• Impact resistant: 1m
• Waterproof: IP68
• Dimensions:
  • Length - 53.8mm
  • Width - 39.7mm
  • Height - 20.8mm
• Weight: 40.5g