ITEM NAME:DC4-13V USB Adjustable Constant Current Electronic Load 3A Power Tester G5G7 DC4-13V USB Adjustable Constant Current Electronic Load 3A Power Tester G5G7 Category:electronic load of industrial level and long lifespan 5V-1A discharge resistance. The test results of discharge resistance meet an error within 10%, so this is not an accurate tester but just for your reference. Due to severe heating, please mind your hands when using this product. Please avoid flammable and explosive objects and have someone on watch for the use. The product uses common fans with oil. For the intelligent start and stop of fans, the temperature control is around 40 Celsius degrees. Applicable voltage rangeDC3.7V-13V Current regulation range:0.15A-3.00A Continuous discharging with 15W It uses ball fans with long lifespan, and with fast rotation speed and strong wind, it can support unsuspended work of continuous 15W discharging. It is suitable for long-term discharging or factories to conduct product aging tests. 100% Brand New material:CCL,ABS,METAL colour:green packing:1*Electronic Load Tester Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.