ITEM NAME:Dc-Dc 3V-35V To 4V-40V Step Up Boost Converter Module Adjustable High Power ME Description: ·Input Voltage: DC 3V-35V ·Output Voltage: DC 4V-40V (continuously adjustable) ·Efficiency: 94%(MAX) ·Size: L37mm*W32mm*H15mm ·Working Temperature: -40-+85 degrees ·Load capacity: Max 80W ·The way of Connection: the connection terminal is does not need to be welded, the "IN" is the input, and the "OUT" is the output. Packing: 1Pcs. ·Load capacity: Max 80W.