... press the remote control firstly,2pcs light ifpress again,3pcs all light when press the third time. 0 ... switch to "DC or AC"position to light up the unit as a torch; 2 switch to "AC"position,connect ... position,connect into AC lamp holder,the lamp will light up automatically upon power failure. 4 switch to "OFF" ... lamp holder; 2 the red led indicator will light up when the lamp is being recharged. 3 it ...