Millertech #556 Headlamp - 750 Lumen USB-C Rechargeable, IPX6 Waterproof, Stepless Dimming

Overview

Meet Millertech #556, a high‑power rechargeable headlamp built around a single CREE XPL LED. It delivers a bright 750 lumens on high and a 300 lumen low setting for extended wear. The beam is adjustable with a zoom focus for precise targeting, whether you’re navigating a trail at dusk or tackling late‑night tasks.

Smart charging, clean design

Featuring new USB‑C charging and a hidden port design (patent), the charger stays protected from dust and moisture while keeping a streamlined silhouette. A micro‑processor controls stepless dimming, letting you dial in the exact brightness you need—from a soft glow to a focused flood.

Battery life, visibility, and memory

Enjoy real‑world planning with a built‑in fuel gauge that shows how much runtime remains. Smart mode memory recalls your last setting, so you’re ready to pick up right where you left off. The headlamp supports a wide dimming range, helping you balance brightness with battery life.

Durability and weather protection

Constructed from military‑grade aluminum, the Millertech #556 combines a slim, lightweight feel with rugged durability. With an IPX6 rating, it stands up to rain, spray, and dusty environments—perfect for outdoor riders, mountaineers, and late‑night workers.

Specs at a glance

• Material: Aluminum Alloy
• LED: 1 CREE XPL LED with Zoom focus
• Brightness: Low 300 lm • High 750 lm
• Stepless Dimming: 50 lm–750 lm
• Runtime: Low 10 h • High 5 h; extended dimming range
• Charging: USB‑C with hidden port design
• Water/Dust: IPX6 waterproof and dustproof

Real‑world uses

Ideal for outdoor riding, mountaineering, hunting, and other nighttime activities where hands‑free lighting is valuable. Its compact form and beam adjustability help you spot terrain, read a map, or work on a project without obstruction.

What’s in the box

• Millertech #556 headlamp
• USB‑C charging cable
• Compact power bank