Feature 1 LCD screen, display information comprehensively and clearly. 2 Configuration of intelligent fan, which can dissipate the heat effectively and quietly. 3 Load maximum power 150W, max voltage 200V, max current 20A. 4 Test various batteries, DC power supply, and charging data lines. 5 Over voltage, over current, and over pressure alarm can protect the module from damage effectively.Description: This multifunction constant current electronic load can measure voltage, current, power, battery capacity, impedance, temperature, energy, time. Over voltage, over current, and overpressure alarm. The CPU fan can effectively dissipate the heat. Features: LCD screen, display information comprehensively and clearly. Configuration of intelligent fan, which can dissipate the heat effectively and quietly. Load maximum power 150W, maximum voltage 200V, maximum current 20A. Test various batteries, DC power supply, and charging data lines. Over voltage, over current, and over pressure alarm can protect the module from damage effectively. Specification: Input Interface / Output Interface: 100A High Current Bite Screw Stud Voltage measurement range: 0.00V ~ 200V, Resolution accuracy: 0.05V Current measurement range: 0.00A ~ 20A, Resolution accuracy: 0.05A Capacity accumulation range: 0 ~ 999.999Ah, Resolution accuracy: 0.01Ah Power accumulation range: 0 ~ 9999.9Wh, Resolution accuracy: 0.01Wh Power measurement range: 0000.00 ~ 2999.99W, Resolution accuracy: 0.01W Impedance measurement range: 1 ~ 999.9, Resolution accuracy: 0.01 Temperature measurement range: 0 ~ 99 , Resolution accuracy: 1 Timing maximum time: 999 hours 59 minutes 59 seconds, Resolution accuracy: 1 second Timing measurement reminder settings: countdown 24 hours, any value can be set Small current standby to remind the threshold parameters and timing: <2W / 0.5 hours; > 0.5W begin timing Power supply: 4 ~ 30V range of DC voltage Refresh time: > 500mS / times Measurement rate: about 2 times / sec Over voltage Over current Set the alarm mode: Show alert interface to remind the user Overpressure Reminder Setting range: 1 ~ 200V Low voltage reminder setting range: 0 ~ 190V Overflow Reminder Set Range: 0.2 ~ 100A Display Type: Micro power LCD Module LCM Green Backlight Chinese & English Display Operating temperature: -10 ~ +60 Interface: USB, 5.5mm jack, Mini USB, Micro USB, Type-C Working humidity: 10 ~ 80 Working pressure: 80 ~ 106kPa Plug type: US plug Size: Approx. 156 x 96 x 58mm / 6.1 x 3.7 x 2.2inch Weight: 631g Note: 1. Please turn down the knob to the end counterclockwise before using, and then turn up slowly. 2. Please pay attention to your safety when the voltage is more than 36V. 3. Several tested power supply can not be connected simultaneously. 4. The current adjustment knob should be regulated slowly. Package Include: 1 x Fan 1 x USB Cable 2 x Crocodile Clip 1 x Power Plug Cable1 x Manual (Other items in the picture are NOT included)