Features:This is a high-performance intelligent electronic load that can perform constant discharging test.It supports over voltage protection, over power protection and over temperature protection. Intelligent temperature control fan + all aluminum fan for better heat dissipation.Oil bearing intelligent temperature control fan, speed 580010%RPM.Assist to measure Micro USB cable, Type-C cable, output current capacity of charger good or not.Specification:Product ModelLD25Rated operational voltageDC4-25.0VMax discharging power25WRated operational current0.25-4.00A(when fan don't work, the minimum constant current is 0.05A)Fan Speed580010%RPMConstant current resolution (1%+3 digits)Working temperature-10~40Adjustable potentiometerPrecision multi-loop adjustable potentiometerDisplay mode4 bit LED tubeExpansion portMicro USB port, Type-C portWeightApprox. 58g/2ozSize80*40mm/3.1*1.6inNote:1. This product has no reverse connection protection. The input polarity cannot be reversed, otherwise the product is permanently damaged and cannot be repaired.2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.Package List:1 * Electronic Load.