Current (mA). display screen Yes. model Lii-M4S. Photo display. We're happy to help. Model Number: Lii-M4S. Usually, long press the MODE touch point to switch between these four modes: first tap the 1-2 or 3-4 touch point to select the channel, then long press MODE to change the original mode, tap MODE to select the desired mode, press CURRENT The touch point changes the current size, and it enters the working state without any action for 8 seconds after selection, which is easy to operate;.
