Features: Made of high-quality ABS material, environmentally friendly, non-toxic, durable, and has a long service life. Measure single-phase AC current and convert it into analog output current. Transmitter transmits and outputs for DC 4-20mA current. Specifications: Product name: Transmitter Input: AC 0~200A Output: 4~20mA Voltage: for DC 24V Installation method: 35mm rail installation Material: ABS Color: Blue Optional Styles: 20A/30A/50A/100A/200A Size: app.106x60mm/4.17x2.36in Quantity: 1pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Current Transmitter (other accessories demo in the picture is not included.)