... current LED driver 1)Vin:0.8-3.2V, with 1xAA,2xAA,1xCR123A, 2)Iout: 350mA,400mA,600mA,800mA 3 ... )High efficiency We provide boost led driver board,Specifications as below, 1) Input voltage: 0.8-3 ... .2V, 1.5V, 3V powered with 1xAA,2xAA,1xCR123A2) Constant ouput current: 350mA,700mA,1000mA optional3 ... .Paypal is welcome. 1.5V, 3V Boost LED driver board with 1xAA,2xAA,1xCR123A