1With color display, the module can provide clear readings 2With multiple protection functions, undervoltage protection, over power protection and large fan overheat protection 3High power and high accuracy, the current is continuously adjustable 4Adopted of high quality electronic components, and accuracy process, ensure for the durability 5Suitable for decoration and construction, hydropower engineering, power aging test, battery discharge, etc Condition: 100% Brand new Item Type: Electronic Load Module Model: WEL3005 Module Supply Voltage: 6V-30V Measuring Voltage: 0-30V Discharge Current: 0A-5A Continuously Adjustable Discharge Power: Up to 30w (note: do not use super power ) Working Temperature: -10~+75 Degrees Resolution: Voltage 0.01v, Current 0.001 Accuracy: Voltage 1% 1 digit, Current 1% 1 digit Undervoltage Protection: Yes (1.5-30v) Over Power Protection: Yes (1-30w) Overheat Protection: Yes (more than 45 degrees fan start, overheat protection is 75 degrees) Input Anti-Reverse: Yes Wiring Method: Small Screen Printing B+B- for Measuring Voltage, Large Screen Printing B+B- for Measuring Current Fan: 4010 Double Roller Fan, Speed 8000 Module Size: Approx. 79 x 43 x 70mm / 3.1 x 1.7 x 2.8in Hole Opening Size: Approx. 76 x 39mm / 3 x 1.5in border: 1px solid000important;}1 xElectronic Load Module