Features 1、LCD screen displays output voltage/current clearly and accurately. 2、With two output modes: constant voltage(CV) mode and constant current(CC) mode. 3、Come with temperature control fan, it can intelligently adjust speed, and the power supply can automatically cut off the output while overtemperature. 4、There are 10 data groups M0-M9, which can be saved and recalled at any time. 5、Automatically save parameters after power off. Specification This product is a programmable single-output power supplies featured with high output power, high precision, small size and wonderfully structured. In addition it is equipped with a 485 communication interface that provides serial communication protocol. So it can also be applied to the modbus-RTU communication protocol, supporting user secondary development. And It can provide multi-use solution according to your design and test requirements. Features: 3. Come with temperature control fan, it can intelligently adjust speed, and the power supply can automatically cut off the output while overtemperature. 4. There are 10 data groups M0-M9, which can be saved and recalled at any time. 5. Automatically save parameters after power off. 6. The internal structure is simple, divided into two parts of the main board and the display board. You can remove the casing to easily integrate it into your own equipment. Specification: Model: DPM-8605-485 Output current range: 0-5A Output power range: 0-300W Resolution of output current display and setting: 1mA Output ripple: <50mVpp Conversion efficiency: 92% (input 40V, output 30V, current 7A) Current error: 0.5% + 2 digits Response time: <50 ms Working temperature: -10℃ ~ 45℃ Dimension: 120*113*55mm / 4.7*4.4*2.2in Weight: Approx. 362g / 12.8oz Package list: 1 * DC Power Supply with 485 Communication Package List