LD35/LD25 is new USB Intelligent electronic load, if you want to learn more, please clear here : //www..com/store/product/RD-LD25-Electronic-Load-resistor-USB-Interface-Discharge-battery-test-LED-display-fan-adjustable-current-voltage/923042_32882318330.html
HD35 is USB trigger Intelligent electronic load, if you want to learn more, please clear here: //www..com/item/RD-HD25-HD35-Trigger-QC2-0-QC3-0-Electronic-USB-Load-resistor-Discharge-battery-test-adjustable/32917594486.html
AT35 is new device based on AT34,if you want to learn more, please clear here://www..com/store/product/RD-AT35-5-digits-USB-3-0-color-LCD-Voltmeter-ammeter-voltage-current-meter-multimeter-battery/923042_33022448123.html?spm=2114.12010612.8148356.17.2d92373c0dnXHD
Note:
1, User manual: http://www.mediafire.com/folder/77ueo252py4vc/AT34
2. Description video ://www.youtube.com/watch?v=nkL_pofkd10
