KP182 has no communication function, KP184 has communication function.

Name: KP184 DC Electronic Load Meter
Voltage: 110V/220V
Power: <20W
Packing size: 32*10*21cm
Volume: 1.34kg

Feature
1,LED digital display, simple and intuitive power output voltage, current, power and output
equivalent resistance.
2,It has four basic load modes including CC, CV.CW and CR.
3,Input positive and negative reverse connection protection and alarm;
4,The optimized heat dissipation structure achieves high power density.
5,Digital control mode, high precision and good stability;
6, Over voltage, over current, over power, over temperature protection;
7,The function of remote voltage measurement;
8,Automatic test function, with external I/O trigger signal, PASS, FALL indicator signal;
10,10KHZ dynamic test function;
11,Battery capacity test function;
12,Battery resistance testing function;
13,Overcurrent protection point/protection time testing function;
14,Fan PWM temperature control;
15,Switching power supply 110VAC/220VAC;
16,RS485, 232 communication interface;
17,Powerful and user-friendly upper computer software support

Packing
1pc*KP184 DC Electronic Load Meter