Specifications
☀Reflector: Orange Peel reflector
☀Operating voltage:2.7V-4.2V
☀Dimension:116.23mm (length) x 27mm (head diameter)
☀Flashlight body: Aerospace grade 6061 grade aluminum alloy, CNC manufactured to hard-anodized to military grade specification type Ill, anti-abrasive finish to get solid built body, anti-crash geometry and better heat exchange.
☀Toughened mineral glass lens
☀Water resistance 
☀Reverse polarity protection to protect against improper battery installation.
☀Automatic stepdown: Turbo mode steps down after 90 seconds of operation to prevent overheating. To reactivate Turbo mode, double click the side switch once again

Power Indicator

The LED indicator in the side switch shows the power status for 5 seconds after turning FC12 on.
♣Green = remaining battery power is good.
♣Red = remaining battery power is poor (less than 30%).
♣Flashing Red = critical power, replace or recharge battery as soon as possible.

Operation Instructions

★ Group 1: Stepped modes (default)
Stepped modes give you fixed brightness levels to choose from: Eco – Low – Mid – High – Turbo.

★ Group 2: Ramping mode
Ramping mode gives you full flexibility to adjust brightness from Eco to Turbo level.

From OFF single click to turn ON. Press and hold to change brightness  (“ramp”). Ramping changes its direction when the button is being pressed again within 1,5 seconds. The light flashes once when it reaches the lower or upper end of the ramp. From ON single click to turn OFF again.
Double click to activate Turbo level, triple click to activate Strobe mode. Another single click to return to the previously used brightness level.
From OFF, press 1 second to Eco, then keep press will adjust.

★ Toggle between Group 1 and Group 2
From OFF press and hold the side switch for 3 seconds to switch between both mode groups. Two flashes will confirm the mode group change.

★ Strobe Mode
Triple click to activate Strobe mode. While in Strobe mode, single click to return to the previously used standard mode.