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SOFIRN BLF LT1 info:

Powered by 4x 18650 LiIon button top batteries with a maximum output of up to 600 lumens. Variable tint between warm white (2.700K) and neutral white (5.000K).
Two selectable and configurable user interfaces with STEPPED ramping (discrete brightness levels) as default and SMOOTH ramping (infinitely variable brightness) as alternative. Kindly read our manual for more details.
Two additional blinky and strobe groups: Group 1 comes with Battery Check, Sunset/Goodnight and Beacon modes, group 2 comes with Candle mode, Bike flasher, Party/Tactical strobe and Lightning storm mode.
USBC charging port: LT1 comes with USBC charging cable (power adapter not included). It accepts 5V 2A fast charging and can also be charged with a premium power bank or also be operated without batteries directly attached to the USB power adapter. While charging the button LED glows red. It turns green once charging is finished.
Package includes: LT1 lantern, USBC charging cable, 4x18650 LiIon 3000mAh Battery (only kitversion), manual and helpful customer service.

The LT1 lantern uses the highly sophisticated and extensive Andúril UI made by Toykeeper. Its maximum output can reach up to 600 lumens with a variable tint between warmwhite and neutralwhite to meet your personal preferences in any situation like camping, hiking, fishing or in your cellar/basement. It can be attached to a hook or mounted onto a stand/tripod for handsfree use.

Features:
Emitter:8x Samsung LH351D (4x 5000K 90CRI + 4x 2700K 90CRI)
Luminous Flux:up to 600 lm with variable tint between warmwhite and neutralwhite
Power options:4x buttontop 18650 batteries (included in kit version only) or directly attached to USB power source.
Driver:5 x 7135 constant current integrated circuit driver with low parasitic drain while the LT1 is off .
Lantern body:Aerospace grade aluminum alloy with HA III anodizing
Switch:Electronic side switch
Ingress rating:Equivalent to IPX7
Weight:approx. 405g without batteries
Operation Introduction:
Default UI: Stepped Ramping
Turn the LT1 ON: singleclick the button, the LT1 turns ON using the previously used light output level (MEM)
Instant top CEILING: from OFF, doubleclick
TURBO: from ON, doubleclick toggles between turbo and the memorized level.
Turn the LT1 OFF: singleclick
Electronic Lockout: prevents accidental activation, activated and deactivated by 4 clicks from OFF
Momentary mode: 5 clicks from OFF to activate, physically disconnect power to deactivate
Muggle mode: simplifying the UI for users who want a simpler experience, 6 clicks from OFF to activate/deactivate Switch between STEPPED and SMOOTH RAMP: with the lamp ON, three clicks
Please read the manual very thoroughly before you use the LT1 as there are a lot of more features to discover.