ITEM NAME:HW-685 0/4-20mA to 0-3.3/5/10V Voltage Transmitter Signal Converter Module #gib Store Home Promotion Hot Item Add to Fav.(When the input is 4-20ma, the output can be as small as 2.5V). The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. After power-on, the D2 light should be on, otherwise check the line connection.