Switch: Side control Switch with LED indicator to monitor battery level.
Charging Port: Type-C charging
Battery: One high drain and unprotected 18350/20350 cell (not included)
User interfaces: Press side switch to on/off. Hold the switch after on, smooth ramping will be able to switch the brightness from low to high and high to low. Ability to toggle between Smooth and Stepped ramping. Double clicks will get instant access for turbo mode.
Other functions/modes: Timing mode, Flash alternative mode, Power monitoring, Firefly mode, Single or dual head mode. (pls refer to user manual for more exciting modes)
Lockout: Yes, clicks 4 times to lock and unlock.
Memory: Yes. Will memorize the last brightness mode.