Constant on high output
Used for gun mounting or bike mounting
Low standby mode (current 3uA) consumes almost zero battery life
TR10 remote pressure switch has been made specifically for the Klarus xt10, xt11, xt12, xt20 and xt30 flashlights. It provides lightning quick access to strobe and gives you full remote control over the flashlight's modes so it can be used for gun mounting or bike mounting.
Klarus Men's TR10 Remote Pressure Switch To Fit Xt Model Flashlight - Metal Grey - B00TXZPCQ0