Three clicks from off to go full bright.
Two clicks from off to go to low power mode.
One short press to go into full power strobe.
One long press after any to power down.

UV Lights Can Be Used To DO Things From Detect Bio Hazards Check Currency look for Narcatics ETC

beam over 72ft away. If less intense illumination is needed, use the titanium switch to cycle through the high/med/low modes, at 45/12/3 lumens respectively. A strobe is also available from a quick triple-press to signal for help in an emergency situation.

Type C USB