I've had this headlamp for about a month now. It's a solid little piece of gear - I think the battery claims listed on Nitecore's website might be a bit generous; 40 minutes seems to be the runtime at the highest setting.
It's also worth noting that due to overheating the headlamp will not remain at its 400 lumen mode - it'll stay there for about a minute before slowly reducing its output. It's still plenty bright - and realistically you'll be using either flood or spotlights interchangeably, as there's not much reason to have them both on at the same time.
As far as the red light goes - it's actually a bit too bright in my opinion. It's actually bright enough to hike by on a moonless night - not quickly, and I wouldn't trust it in difficult terrain, but on a flat trail you could absolutely hike using the red light.
Overall I'm quite satisfied with this headlamp. It's lightweight, functional (even has an SOS strobe built in, though I hope I'll never use that), and contrary to what many other folks claim has quiteintuitive controls for being a two-button device.
| Manufacturer | Nitecore |
|---|---|
| Item model number | NU25-400UL |
| Product Dimensions | 6.02 x 2.49 x 3.68 cm; 45.36 g |
| ASIN | B0BGVLBVB7 |
