What is the lumens on the highest setting please

Tech Specs:

Bulb Type:

8 LED bulbs 

Power Source:

3 AAA batteries (included) 

Battery Location:

Back 

Headband Type:

Over the top 

Burn Time:

36hrs (when all eight bulbs are in use); 70hrs (with just one bulb in use) 

Voltage Regulator:

Yes—select between 8,5,3, or 1 lighted bulbs 

Dimming Switch:

Yes 

Backup Power Source:

Sure, stick 3 extra AAA batteries (not included) in your pocket 

Waterproof:

Water resistant (can be used in light rain, but not for underwater use) 

Tiltable Housing:

Yes 

Weight:

[With batteries] 8oz (228g); [without batteries] 5.4oz (153g) 

Recommended Use:

Camping, hiking, paddling, climbing, finding crap in the trunk of your car