SERFAS - USM-1750 E-LUME, 1750 Lumens

Serps' new E-Lume series changes the rules of the game!

A tremendous power of 1750 lumens, bright light even for the darkest nights
Battery life meter
Charging is fast from zero to a full battery, which takes about 3.5 hours
The flashlight weighs only 265 grams including the battery and adapter
Comes with a bayonet clip

Lighting times:

constant continuous mode -

• Very high light 1750 lumens 2 hours
• High light 1000 lumens 3.5 hours
• Medium light of 700 lumens 6.5 hours
• Low light 400 lumens 9 hours

In flashing mode:

• "Daylight" mode 1750 lumens 50 hours
• "Low light" mode 200 lumens 90 hours

Operating Instructions:

When the headlight is new it comes locked
It takes about 5-6 seconds to press until one single blink appears and the flashlight is released from the lock
A second press will light up
In the on state, short presses will switch between the intensity modes strong, medium, weak
When on, pressing for two seconds will switch it to flashing mode
In flashing mode, a short press will change the intensity and rate of flashing
In flashing mode, pressing for two seconds will switch it to normal lighting mode
In the on state and in the flashing state, a second press will turn it off
When the flashlight is not locked and you want to lock it, press and hold the two (2) flashing lights and the flashlight goes into lock